rhsa-2014_0888
Vulnerability from csaf_redhat
Published
2014-07-24 15:38
Modified
2024-11-22 08:09
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 3.0 and 4.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way the virtio, virtio-net, virtio-scsi, and usb drivers
of QEMU handled state loading after migration. A user able to alter the
savevm data (either on the disk or over the wire during migration) could
use either of these flaws to corrupt QEMU process memory on the
(destination) host, which could potentially result in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,
CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)
An out-of-bounds memory access flaw was found in the way QEMU's IDE device
driver handled the execution of SMART EXECUTE OFFLINE commands.
A privileged guest user could use this flaw to corrupt QEMU process memory
on the host, which could potentially result in arbitrary code execution on
the host with the privileges of the QEMU process. (CVE-2014-2894)
These issues were discovered by Michael S. Tsirkin, Anthony Liguori and
Michael Roth of Red Hat: CVE-2013-4148, CVE-2013-4151, CVE-2013-4535,
CVE-2013-4536, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,
and CVE-2014-3461.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
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.
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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"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 3.0 and 4.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple buffer overflow, input validation, and out-of-bounds write flaws\nwere found in the way the virtio, virtio-net, virtio-scsi, and usb drivers\nof QEMU handled state loading after migration. A user able to alter the\nsavevm data (either on the disk or over the wire during migration) could\nuse either of these flaws to corrupt QEMU process memory on the\n(destination) host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,\nCVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s IDE device\ndriver handled the execution of SMART EXECUTE OFFLINE commands.\nA privileged guest user could use this flaw to corrupt QEMU process memory\non the host, which could potentially result in arbitrary code execution on\nthe host with the privileges of the QEMU process. (CVE-2014-2894)\n\nThese issues were discovered by Michael S. Tsirkin, Anthony Liguori and \nMichael Roth of Red Hat: CVE-2013-4148, CVE-2013-4151, CVE-2013-4535,\nCVE-2013-4536, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,\nand CVE-2014-3461.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
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"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.",
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"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4148",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066334"
}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"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"
}
],
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4148"
},
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"summary": "RHBZ#1066334",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066334"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4148",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4148"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
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"date": "2014-07-24T15:38:25+00:00",
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},
{
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],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
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},
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"ids": [
{
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}
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{
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"text": "Heap-based buffer overflow in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len",
"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"
}
],
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"title": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len"
},
{
"cve": "CVE-2014-2894",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2014-04-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1087971"
}
],
"notes": [
{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.",
"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"
}
],
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"title": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART"
},
{
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],
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{
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},
"discovery_date": "2014-05-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1096821"
}
],
"notes": [
{
"category": "description",
"text": "hw/usb/bus.c in QEMU 1.6.2 allows remote attackers to execute arbitrary code via crafted savevm data, which triggers a heap-based buffer overflow, related to \"USB post load checks.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: usb: fix up post load checks",
"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"
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"details": "Moderate"
}
],
"title": "Qemu: usb: fix up post load checks"
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.