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cve-2018-7858
Vulnerability from cvelistv5
Published
2018-03-12 21:00
Modified
2024-08-05 06:37
Severity ?
EPSS score ?
Summary
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
References
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rhsa-2018_2162
Vulnerability from csaf_redhat
Published
2018-07-10 17:58
Modified
2024-11-15 03:05
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)
Note: This is the qemu-kvm side of the CVE-2018-3639 mitigation.
* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)
* QEMU: vga: OOB read access during display update (CVE-2017-13672)
* Qemu: Out-of-bounds read in vga_draw_text routine (CVE-2018-5683)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting CVE-2018-3639; Ross Lagerwall (Citrix.com) for reporting CVE-2018-7858; David Buchanan for reporting CVE-2017-13672; and Jiang Xin and Lin ZheCheng for reporting CVE-2018-5683.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.\n\nSecurity Fix(es):\n\n* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. 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"https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "1486560", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1486560" }, { "category": "external", "summary": "1530356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1530356" }, { "category": "external", "summary": "1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2162.json" } ], "title": "Red Hat Security Advisory: qemu-kvm security update", "tracking": { "current_release_date": "2024-11-15T03:05:28+00:00", "generator": { "date": "2024-11-15T03:05:28+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:2162", "initial_release_date": "2018-07-10T17:58:52+00:00", "revision_history": 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It could occur while reading VGA memory to update graphics display. A privileged user/process inside guest could use this flaw to crash the QEMU process on the host resulting in denial of service situation.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: vga: OOB read access during display update", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6ComputeNode-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Server-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-13672" }, { "category": "external", "summary": "RHBZ#1486560", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1486560" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-13672", "url": "https://www.cve.org/CVERecord?id=CVE-2017-13672" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-13672", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-13672" } ], "release_date": "2017-08-24T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-07-10T17:58:52+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. 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Bugzilla ID", "text": "1566890" } ], "notes": [ { "category": "description", "text": "An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: cpu: speculative store bypass", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/security/vulnerabilities/ssbd", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", 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It could occur in vga_draw_text routine, while updating display area for a vnc client. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS.", "title": "Vulnerability description" }, { "category": "summary", "text": "Qemu: Out-of-bounds read in vga_draw_text routine", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Client-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6ComputeNode-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6ComputeNode-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6ComputeNode-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6ComputeNode-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Server-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Server-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Server-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Server-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Workstation-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-5683" }, { "category": "external", "summary": "RHBZ#1530356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1530356" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-5683", "url": "https://www.cve.org/CVERecord?id=CVE-2018-5683" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-5683", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5683" } ], "release_date": "2017-12-25T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-07-10T17:58:52+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. 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Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Client-6.10.z:qemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Client-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", 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"6Workstation-6.10.z:qemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.src", "6Workstation-6.10.z:qemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64", "6Workstation-6.10.z:qemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64", "6Workstation-6.10.z:qemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
rhsa-2018_1416
Vulnerability from csaf_redhat
Published
2018-05-14 14:45
Modified
2024-11-15 03:04
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Ross Lagerwall (Citrix.com) for reporting this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.\n\nSecurity Fix(es):\n\n* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nRed Hat would like to thank Ross Lagerwall (Citrix.com) for reporting this issue.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1416", "url": "https://access.redhat.com/errata/RHSA-2018:1416" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "self", "summary": "Canonical URL", 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"7Workstation-7.5.Z:qemu-kvm-10:1.5.3-156.el7_5.1.x86_64" }, "product_reference": "qemu-kvm-10:1.5.3-156.el7_5.1.x86_64", "relates_to_product_reference": "7Workstation-7.5.Z" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-common-10:1.5.3-156.el7_5.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)", "product_id": "7Workstation-7.5.Z:qemu-kvm-common-10:1.5.3-156.el7_5.1.x86_64" }, "product_reference": "qemu-kvm-common-10:1.5.3-156.el7_5.1.x86_64", "relates_to_product_reference": "7Workstation-7.5.Z" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-debuginfo-10:1.5.3-156.el7_5.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)", "product_id": "7Workstation-7.5.Z:qemu-kvm-debuginfo-10:1.5.3-156.el7_5.1.x86_64" }, "product_reference": "qemu-kvm-debuginfo-10:1.5.3-156.el7_5.1.x86_64", "relates_to_product_reference": "7Workstation-7.5.Z" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-10:1.5.3-156.el7_5.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)", "product_id": "7Workstation-7.5.Z:qemu-kvm-tools-10:1.5.3-156.el7_5.1.x86_64" }, "product_reference": "qemu-kvm-tools-10:1.5.3-156.el7_5.1.x86_64", "relates_to_product_reference": "7Workstation-7.5.Z" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Client-7.5.Z:qemu-img-10:1.5.3-156.el7_5.1.x86_64", "7Client-7.5.Z:qemu-kvm-10:1.5.3-156.el7_5.1.src", "7Client-7.5.Z:qemu-kvm-10:1.5.3-156.el7_5.1.x86_64", "7Client-7.5.Z:qemu-kvm-common-10:1.5.3-156.el7_5.1.x86_64", "7Client-7.5.Z:qemu-kvm-debuginfo-10:1.5.3-156.el7_5.1.x86_64", "7Client-7.5.Z:qemu-kvm-tools-10:1.5.3-156.el7_5.1.x86_64", "7ComputeNode-optional-7.5.Z:qemu-img-10:1.5.3-156.el7_5.1.x86_64", "7ComputeNode-optional-7.5.Z:qemu-kvm-10:1.5.3-156.el7_5.1.src", 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"7Workstation-7.5.Z:qemu-kvm-tools-10:1.5.3-156.el7_5.1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-14T14:45:15+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. 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rhsa-2018_1645
Vulnerability from csaf_redhat
Published
2018-05-22 01:41
Modified
2024-11-15 03:04
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 9.0 (Mitaka).
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)
Note: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 9.0 (Mitaka).\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)\n\nNote: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.\n\nRed Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1645", "url": "https://access.redhat.com/errata/RHSA-2018:1645" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1645.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security update", "tracking": { "current_release_date": "2024-11-15T03:04:55+00:00", "generator": { "date": "2024-11-15T03:04:55+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:1645", "initial_release_date": "2018-05-22T01:41:01+00:00", "revision_history": [ { "date": "2018-05-22T01:41:01+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-05-22T01:41:01+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T03:04:55+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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[ { "acknowledgments": [ { "names": [ "Jann Horn" ], "organization": "Google Project Zero" }, { "names": [ "Ken Johnson" ], "organization": "Microsoft Security Response Center" } ], "cve": "CVE-2018-3639", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1566890" } ], "notes": [ { "category": "description", "text": "An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: cpu: speculative store bypass", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/security/vulnerabilities/ssbd", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3639" }, { "category": "external", "summary": "RHBZ#1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3639", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3639" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528", "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf", "url": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf", "url": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html" } ], "release_date": "2018-05-21T21:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:01+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1645" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "hw: cpu: speculative store bypass" }, { "acknowledgments": [ { "names": [ "CERT-CC", "Cyrille Chatras" ], "organization": "Orange.com" } ], "cve": "CVE-2018-7550", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2018-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1549798" } ], "notes": [ { "category": "description", "text": "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: i386: multiboot OOB access while loading kernel image", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7550" }, { "category": "external", "summary": "RHBZ#1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7550", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7550" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550" } ], "release_date": "2018-02-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:01+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1645" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: i386: multiboot OOB access while loading kernel image" }, { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:01+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1645" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-9.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-9.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
rhsa-2018_1644
Vulnerability from csaf_redhat
Published
2018-05-22 01:47
Modified
2024-11-15 03:04
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10.0 (Newton).
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)
Note: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10.0 (Newton).\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)\n\nNote: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.\n\nRed Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1644", "url": "https://access.redhat.com/errata/RHSA-2018:1644" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1644.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security update", "tracking": { "current_release_date": "2024-11-15T03:04:49+00:00", "generator": { "date": "2024-11-15T03:04:49+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:1644", "initial_release_date": "2018-05-22T01:47:24+00:00", "revision_history": [ { "date": "2018-05-22T01:47:24+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-05-22T01:47:24+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T03:04:49+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 10.0", "product": { "name": "Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:10::el7" } } } ], "category": "product_family", "name": "Red Hat OpenStack Platform" }, { "branches": [ { "category": "product_version", "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-img-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-common-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-tools-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev-debuginfo@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product_id": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev@2.10.0-21.el7_5.3?arch=src\u0026epoch=10" } } } ], "category": "architecture", "name": "src" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src" }, "product_reference": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 10.0", "product_id": "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-10.0" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Jann Horn" ], "organization": "Google Project Zero" }, { "names": [ "Ken Johnson" ], "organization": "Microsoft Security Response Center" } ], "cve": "CVE-2018-3639", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1566890" } ], "notes": [ { "category": "description", "text": "An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: cpu: speculative store bypass", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/security/vulnerabilities/ssbd", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3639" }, { "category": "external", "summary": "RHBZ#1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3639", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3639" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528", "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf", "url": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf", "url": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html" } ], "release_date": "2018-05-21T21:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:47:24+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1644" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "hw: cpu: speculative store bypass" }, { "acknowledgments": [ { "names": [ "CERT-CC", "Cyrille Chatras" ], "organization": "Orange.com" } ], "cve": "CVE-2018-7550", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2018-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1549798" } ], "notes": [ { "category": "description", "text": "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: i386: multiboot OOB access while loading kernel image", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7550" }, { "category": "external", "summary": "RHBZ#1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7550", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7550" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550" } ], "release_date": "2018-02-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:47:24+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1644" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: i386: multiboot OOB access while loading kernel image" }, { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:47:24+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1644" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-10.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-10.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
rhsa-2018_1643
Vulnerability from csaf_redhat
Published
2018-05-22 01:41
Modified
2024-11-15 03:04
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 12.0 (Pike).
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)
Note: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 12.0 (Pike).\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)\n\nNote: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.\n\nRed Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1643", "url": "https://access.redhat.com/errata/RHSA-2018:1643" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1643.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security update", "tracking": { "current_release_date": "2024-11-15T03:04:43+00:00", "generator": { "date": "2024-11-15T03:04:43+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:1643", "initial_release_date": "2018-05-22T01:41:08+00:00", "revision_history": [ { "date": "2018-05-22T01:41:08+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-05-22T01:41:08+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T03:04:43+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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Red Hat OpenStack Platform 12.0", "product_id": "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-12.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le as a component of Red Hat OpenStack Platform 12.0", "product_id": "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "relates_to_product_reference": "7Server-RH7-RHOS-12.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 12.0", "product_id": "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-12.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le as a component of Red Hat OpenStack Platform 12.0", "product_id": "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "relates_to_product_reference": "7Server-RH7-RHOS-12.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 12.0", "product_id": "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-12.0" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Jann Horn" ], "organization": "Google Project Zero" }, { "names": [ "Ken Johnson" ], "organization": "Microsoft Security Response Center" } ], "cve": "CVE-2018-3639", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1566890" } ], "notes": [ { "category": "description", "text": "An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: cpu: speculative store bypass", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/security/vulnerabilities/ssbd", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3639" }, { "category": "external", "summary": "RHBZ#1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3639", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3639" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528", "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf", "url": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf", "url": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html" } ], "release_date": "2018-05-21T21:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:08+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1643" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "hw: cpu: speculative store bypass" }, { "acknowledgments": [ { "names": [ "CERT-CC", "Cyrille Chatras" ], "organization": "Orange.com" } ], "cve": "CVE-2018-7550", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2018-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1549798" } ], "notes": [ { "category": "description", "text": "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: i386: multiboot OOB access while loading kernel image", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7550" }, { "category": "external", "summary": "RHBZ#1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7550", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7550" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550" } ], "release_date": "2018-02-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:08+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1643" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: i386: multiboot OOB access while loading kernel image" }, { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:41:08+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1643" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.ppc64le", "7Server-RH7-RHOS-12.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
rhsa-2018_1646
Vulnerability from csaf_redhat
Published
2018-05-22 01:45
Modified
2024-11-15 03:05
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 8.0 (Liberty).
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)
Note: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 8.0 (Liberty).\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)\n\nNote: This is the qemu-kvm-rhev side of the CVE-2018-3639 mitigation.\n\nRed Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1646", "url": "https://access.redhat.com/errata/RHSA-2018:1646" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1646.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security update", "tracking": { "current_release_date": "2024-11-15T03:05:00+00:00", "generator": { "date": "2024-11-15T03:05:00+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:1646", "initial_release_date": "2018-05-22T01:45:37+00:00", "revision_history": [ { "date": "2018-05-22T01:45:37+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-05-22T01:45:37+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T03:05:00+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 8.0 (Liberty)", "product": { "name": "Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:8::el7" } } } ], "category": "product_family", "name": "Red Hat OpenStack Platform" }, { "branches": [ { "category": "product_version", "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-img-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "product": { "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", 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"qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_id": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev@2.10.0-21.el7_5.3?arch=x86_64\u0026epoch=10" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product_id": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev@2.10.0-21.el7_5.3?arch=src\u0026epoch=10" } } } ], "category": "architecture", "name": "src" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src" }, "product_reference": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64 as a component of Red Hat OpenStack Platform 8.0 (Liberty)", "product_id": "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64", "relates_to_product_reference": "7Server-RH7-RHOS-8.0" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Jann Horn" ], "organization": "Google Project Zero" }, { "names": [ "Ken Johnson" ], "organization": "Microsoft Security Response Center" } ], "cve": "CVE-2018-3639", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1566890" } ], "notes": [ { "category": "description", "text": "An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load \u0026 Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor\u0027s data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: cpu: speculative store bypass", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/security/vulnerabilities/ssbd", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3639" }, { "category": "external", "summary": "RHBZ#1566890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566890" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3639", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3639" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3639" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/ssbd", "url": "https://access.redhat.com/security/vulnerabilities/ssbd" }, { "category": "external", "summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528", "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1528" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf", "url": "https://software.intel.com/sites/default/files/managed/b9/f9/336983-Intel-Analysis-of-Speculative-Execution-Side-Channels-White-Paper.pdf" }, { "category": "external", "summary": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf", "url": "https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html" } ], "release_date": "2018-05-21T21:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:45:37+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1646" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "hw: cpu: speculative store bypass" }, { "acknowledgments": [ { "names": [ "CERT-CC", "Cyrille Chatras" ], "organization": "Orange.com" } ], "cve": "CVE-2018-7550", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2018-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1549798" } ], "notes": [ { "category": "description", "text": "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: i386: multiboot OOB access while loading kernel image", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7550" }, { "category": "external", "summary": "RHBZ#1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7550", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7550" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550" } ], "release_date": "2018-02-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:45:37+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1646" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: i386: multiboot OOB access while loading kernel image" }, { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-22T01:45:37+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1646" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-8.0:qemu-img-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.src", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.3.x86_64", "7Server-RH7-RHOS-8.0:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
rhsa-2018_1369
Vulnerability from csaf_redhat
Published
2018-05-10 16:05
Modified
2024-11-15 03:04
Summary
Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update
Notes
Topic
An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* QEMU: i386: multiboot OOB access while loading kernel image (CVE-2018-7550)
* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Cyrille Chatras (Orange.com) and CERT-CC (Orange.com) for reporting CVE-2018-7550 and Ross Lagerwall (Citrix.com) for reporting CVE-2018-7858.
Bug Fix(es):
* In certain Red Hat Virtualization (RHV) guest configurations, virtual pass-through devices could not be removed properly. A reference count leak in the QEMU emulator has been removed, and the affected devices are now removed reliably. (BZ#1555213)
* Previously, a raw disk image that was using the "--preallocation=full" option in some cases could not be resized. This problem has been fixed and no longer occurs. (BZ#1566587)
* Due to race conditions in the virtio-blk and virtio-scsi services, the QEMU emulator sometimes terminated unexpectedly when shutting down. The race conditions have been removed, and QEMU now exits gracefully. (BZ#1566586)
* Prior to this update, deleting guest snapshots using the RHV GUI in some cases failed due to an incorrect image-seeking algorithm. This update fixes the underlying code, and guest snapshots in RHV can now be deleted successfully. (BZ#1566369)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* QEMU: i386: multiboot OOB access while loading kernel image (CVE-2018-7550)\n\n* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nRed Hat would like to thank Cyrille Chatras (Orange.com) and CERT-CC (Orange.com) for reporting CVE-2018-7550 and Ross Lagerwall (Citrix.com) for reporting CVE-2018-7858.\n\nBug Fix(es):\n\n* In certain Red Hat Virtualization (RHV) guest configurations, virtual pass-through devices could not be removed properly. A reference count leak in the QEMU emulator has been removed, and the affected devices are now removed reliably. (BZ#1555213)\n\n* Previously, a raw disk image that was using the \"--preallocation=full\" option in some cases could not be resized. This problem has been fixed and no longer occurs. (BZ#1566587)\n\n* Due to race conditions in the virtio-blk and virtio-scsi services, the QEMU emulator sometimes terminated unexpectedly when shutting down. The race conditions have been removed, and QEMU now exits gracefully. (BZ#1566586)\n\n* Prior to this update, deleting guest snapshots using the RHV GUI in some cases failed due to an incorrect image-seeking algorithm. This update fixes the underlying code, and guest snapshots in RHV can now be deleted successfully. (BZ#1566369)", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:1369", "url": "https://access.redhat.com/errata/RHSA-2018:1369" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "1555213", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1555213" }, { "category": "external", "summary": "1566369", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566369" }, { "category": "external", "summary": "1566586", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566586" }, { "category": "external", "summary": "1566587", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1566587" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1369.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update", "tracking": { "current_release_date": "2024-11-15T03:04:33+00:00", "generator": { "date": "2024-11-15T03:04:33+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:1369", "initial_release_date": "2018-05-10T16:05:14+00:00", 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"qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-img-rhev@2.10.0-21.el7_5.2?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "product": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "product_id": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev-debuginfo@2.10.0-21.el7_5.2?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "product": { "name": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_id": "qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-common-rhev@2.10.0-21.el7_5.2?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64", "product": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_id": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-tools-rhev@2.10.0-21.el7_5.2?arch=x86_64\u0026epoch=10" } } }, { "category": "product_version", "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "product": { "name": "qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_id": "qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/qemu-kvm-rhev@2.10.0-21.el7_5.2?arch=x86_64\u0026epoch=10" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "product": { "name": "qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "product_id": "qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "product_identification_helper": { "purl": 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"qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product_id": "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "relates_to_product_reference": "7Server-RHEV-4-Agents-7" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product_id": "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64" }, "product_reference": "qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "relates_to_product_reference": "7Server-RHEV-4-Agents-7" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product_id": "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "relates_to_product_reference": "7Server-RHEV-4-Agents-7" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product_id": "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" }, "product_reference": "qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64", "relates_to_product_reference": "7Server-RHEV-4-Agents-7" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "CERT-CC", "Cyrille Chatras" ], "organization": "Orange.com" } ], "cve": "CVE-2018-7550", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2018-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1549798" } ], "notes": [ { "category": "description", "text": "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: i386: multiboot OOB access while loading kernel image", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7550" }, { "category": "external", "summary": "RHBZ#1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7550", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7550" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7550" } ], "release_date": "2018-02-27T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-10T16:05:14+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1369" } ], "scores": [ { "cvss_v2": { "accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: i386: multiboot OOB access while loading kernel image" }, { "acknowledgments": [ { "names": [ "Ross Lagerwall" ], "organization": "Citrix.com" } ], "cve": "CVE-2018-7858", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2018-02-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1553402" } ], "notes": [ { "category": "description", "text": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "title": "Vulnerability description" }, { "category": "summary", "text": "QEMU: cirrus: OOB access when updating VGA display", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-7858" }, { "category": "external", "summary": "RHBZ#1553402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-7858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-7858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" } ], "release_date": "2018-03-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-05-10T16:05:14+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:1369" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "QEMU: cirrus: OOB access when updating VGA display" } ] }
gsd-2018-7858
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2018-7858", "description": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "id": "GSD-2018-7858", "references": [ "https://www.suse.com/security/cve/CVE-2018-7858.html", "https://access.redhat.com/errata/RHSA-2018:2162", "https://access.redhat.com/errata/RHSA-2018:1646", "https://access.redhat.com/errata/RHSA-2018:1645", "https://access.redhat.com/errata/RHSA-2018:1644", "https://access.redhat.com/errata/RHSA-2018:1643", "https://access.redhat.com/errata/RHSA-2018:1416", "https://access.redhat.com/errata/RHSA-2018:1369", "https://ubuntu.com/security/CVE-2018-7858", "https://alas.aws.amazon.com/cve/html/CVE-2018-7858.html", "https://linux.oracle.com/cve/CVE-2018-7858.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2018-7858" ], "details": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "id": "GSD-2018-7858", "modified": "2023-12-13T01:22:32.952015Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-7858", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2018:2162", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2162" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "name": "RHSA-2018:1369", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:1369" }, { "name": "USN-3649-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3649-1/" }, { "name": "RHSA-2018:1416", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:1416" }, { "name": "103350", "refsource": "BID", "url": "http://www.securityfocus.com/bid/103350" }, { "name": "[oss-security] 20180309 CVE-2018-7858 Qemu: cirrus: OOB access when updating vga display", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2018/03/09/1" }, { "name": "[qemu-devel] 20180308 [PATCH] vga: fix region calculation", "refsource": "MLIST", "url": "https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html" }, { "name": "openSUSE-SU-2019:1074", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "2.11.2", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-7858" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-125" } ] } ] }, "references": { "reference_data": [ { "name": "[qemu-devel] 20180308 [PATCH] vga: fix region calculation", "refsource": "MLIST", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402", "refsource": "CONFIRM", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "name": "[oss-security] 20180309 CVE-2018-7858 Qemu: cirrus: OOB access when updating vga display", "refsource": "MLIST", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ], "url": "http://www.openwall.com/lists/oss-security/2018/03/09/1" }, { "name": "103350", "refsource": "BID", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/103350" }, { "name": "RHSA-2018:1369", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2018:1369" }, { "name": "RHSA-2018:1416", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2018:1416" }, { "name": "USN-3649-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3649-1/" }, { "name": "RHSA-2018:2162", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2018:2162" }, { "name": "openSUSE-SU-2019:1074", "refsource": "SUSE", "tags": [ "Mailing List", "Release Notes", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } }, "lastModifiedDate": "2020-11-10T18:54Z", "publishedDate": "2018-03-12T21:29Z" } } }
wid-sec-w-2024-2005
Vulnerability from csaf_certbund
Published
2018-03-11 23:00
Modified
2024-09-02 22:00
Summary
QEMU: Schwachstelle ermöglicht Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
- Sonstiges
- UNIX
- Windows
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.", "title": "Angriff" }, { "category": "general", "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2024-2005 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2024-2005.json" }, { "category": "self", "summary": "WID-SEC-2024-2005 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-2005" }, { "category": "external", "summary": "Eintrag in der Full Disclosure Mailing Liste vom 2018-03-11", "url": "http://seclists.org/oss-sec/2018/q1/232" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2018:1369 vom 2018-05-10", "url": "http://rhn.redhat.com/errata/RHSA-2018-1369.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2018-1416 vom 2018-05-15", "url": "http://linux.oracle.com/errata/ELSA-2018-1416.html" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2018:1416 vom 2018-05-16", "url": "https://access.redhat.com/errata/RHSA-2018:1416" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2018-2162 vom 2018-07-11", "url": "http://linux.oracle.com/errata/ELSA-2018-2162.html" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2018:2162 vom 2018-07-11", "url": "https://access.redhat.com/errata/RHSA-2018:2162" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2018-4285 vom 2018-11-21", "url": "http://linux.oracle.com/errata/ELSA-2018-4285.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2018-4289 vom 2018-11-29", "url": "http://linux.oracle.com/errata/ELSA-2018-4289.html" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2019:0489-1 vom 2019-02-27", "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190489-1.html" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2019:0582-1 vom 2019-03-12", "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190582-1.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2019-4585 vom 2019-03-15", "url": "http://linux.oracle.com/errata/ELSA-2019-4585.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2019-4630 vom 2019-05-14", "url": "http://linux.oracle.com/errata/ELSA-2019-4630.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2024-12605 vom 2024-09-02", "url": "https://linux.oracle.com/errata/ELSA-2024-12605.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2024-12604 vom 2024-09-02", "url": "https://linux.oracle.com/errata/ELSA-2024-12604.html" } ], "source_lang": "en-US", "title": "QEMU: Schwachstelle erm\u00f6glicht Denial of Service", "tracking": { "current_release_date": "2024-09-02T22:00:00.000+00:00", "generator": { "date": "2024-09-03T08:16:45.223+00:00", "engine": { "name": "BSI-WID", "version": "1.3.6" } }, "id": "WID-SEC-W-2024-2005", "initial_release_date": "2018-03-11T23:00:00.000+00:00", "revision_history": [ { "date": "2018-03-11T23:00:00.000+00:00", "number": "1", "summary": "Initial Release" }, { "date": "2018-03-11T23:00:00.000+00:00", "number": "2", "summary": "Version nicht vorhanden" }, { "date": "2018-05-10T22:00:00.000+00:00", "number": "3", "summary": "New remediations available" }, { "date": "2018-05-14T22:00:00.000+00:00", "number": "4", "summary": "New remediations available" }, { "date": "2018-05-15T22:00:00.000+00:00", "number": "5", "summary": "New remediations available" }, { "date": "2018-07-10T22:00:00.000+00:00", "number": "6", "summary": "New remediations available" }, { "date": "2018-08-01T22:00:00.000+00:00", "number": "7", "summary": "Added references" }, { "date": "2018-11-20T23:00:00.000+00:00", "number": "8", "summary": "New remediations available" }, { "date": "2018-11-28T23:00:00.000+00:00", "number": "9", "summary": "New remediations available" }, { "date": "2019-02-26T23:00:00.000+00:00", "number": "10", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2019-03-11T23:00:00.000+00:00", "number": "11", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2019-03-14T23:00:00.000+00:00", "number": "12", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2019-05-15T22:00:00.000+00:00", "number": "13", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2024-09-02T22:00:00.000+00:00", "number": "14", "summary": "Neue Updates von Oracle Linux aufgenommen" } ], "status": "final", "version": "14" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Open Source QEMU", "product": { "name": "Open Source QEMU", "product_id": "T007150", "product_identification_helper": { "cpe": "cpe:/a:qemu:qemu:-" } } } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Oracle Linux", "product": { "name": "Oracle Linux", "product_id": "T004914", "product_identification_helper": { "cpe": "cpe:/o:oracle:linux:-" } } } ], "category": "vendor", "name": "Oracle" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "category": "product_name", "name": "SUSE Linux", "product": { "name": "SUSE Linux", "product_id": "T002207", "product_identification_helper": { "cpe": "cpe:/o:suse:suse_linux:-" } } } ], "category": "vendor", "name": "SUSE" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-7858", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in QEMU wenn der QEMU Emulator mit Cirrus CLGD 54xx VGA Emulator Unterst\u00fctzung kompiliert wurde. Diese Schwachstelle kann sich beim beim Aktualisieren der VGA-Anzeige auswirken, nachdem Gast die Anzeigedimensionen angepasst hat. Ein Angreifer aus dem Gastsystem kann diese Schwachstelle ausnutzen um einen Denial of Service zu verursachen." } ], "product_status": { "known_affected": [ "T002207", "67646", "T007150", "T004914" ] }, "release_date": "2018-03-11T23:00:00.000+00:00", "title": "CVE-2018-7858" } ] }
ghsa-f62g-jrwm-hq59
Vulnerability from github
Published
2022-05-13 01:13
Modified
2022-05-13 01:13
Severity ?
Details
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
{ "affected": [], "aliases": [ "CVE-2018-7858" ], "database_specific": { "cwe_ids": [ "CWE-125" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-03-12T21:29:00Z", "severity": "MODERATE" }, "details": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.", "id": "GHSA-f62g-jrwm-hq59", "modified": "2022-05-13T01:13:40Z", "published": "2022-05-13T01:13:40Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7858" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2018:1369" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2018:1416" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2018:2162" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1553402" }, { "type": "WEB", "url": "https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3649-1" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2018/03/09/1" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/103350" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.