csaf_redhat - rhsa-2015

rhsa-2015_1739

Vulnerability from csaf_redhat

Published

2015-09-07 15:49

Modified

2024-11-14 15:29

Summary

Red Hat Security Advisory: qemu-kvm-rhev security update

Notes

Topic

Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat Enterprise Virtualization Hypervisor 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link 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. An information leak flaw was found in the way QEMU's RTL8139 emulation implementation processed network packets under RTL8139 controller's C+ mode of operation. An unprivileged guest user could use this flaw to read up to 65 KB of uninitialized QEMU heap memory. (CVE-2015-5165) Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Donghai Zhu of Alibaba as the original reporter. All qemu-kvm-rhev users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. 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.

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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{
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      "text": "Moderate"
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        "text": "Updated qemu-kvm-rhev packages that fix one security issue are now\navailable for Red Hat Enterprise Virtualization Hypervisor 7.\n\nRed Hat Product Security has rated this update as having Moderate security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences 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.\n\nAn information leak flaw was found in the way QEMU\u0027s RTL8139 emulation\nimplementation processed network packets under RTL8139 controller\u0027s C+ mode\nof operation. An unprivileged guest user could use this flaw to read up to\n65 KB of uninitialized QEMU heap memory. (CVE-2015-5165)\n\nRed Hat would like to thank the Xen project for reporting this issue.\nUpstream acknowledges Donghai Zhu of Alibaba as the original reporter.\n\nAll qemu-kvm-rhev users are advised to upgrade to these updated packages,\nwhich contain a backported patch to correct this issue. After installing\nthis update, shut down all running virtual machines. Once all virtual\nmachines have shut down, start them again for this update to take effect.",
        "title": "Details"
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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": [
            "Xen project"
          ]
        },
        {
          "names": [
            "Donghai Zhu"
          ],
          "organization": "Alibaba",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2015-5165",
      "cwe": {
        "id": "CWE-456",
        "name": "Missing Initialization of a Variable"
      },
      "discovery_date": "2015-07-14T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1248760"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An information leak flaw was found in the way QEMU\u0027s RTL8139 emulation implementation processed network packets under RTL8139 controller\u0027s C+ mode of operation. An unprivileged guest user could use this flaw to read up to 65 KB of uninitialized QEMU heap memory.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: rtl8139 uninitialized heap memory information leakage to guest (XSA-140)",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7.\n\nThis issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\n\nThis issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\n\nRed Hat Enterprise Linux 5 is now in Production 3 Phase of the support and\nmaintenance life cycle. This has been rated as having Moderate security\nimpact and is not currently planned to be addressed in future updates. For\nadditional information, refer to the Red Hat Enterprise Linux Life\nCycle: https://access.redhat.com/support/policy/updates/errata/",
          "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": [
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-5165"
        },
        {
          "category": "external",
          "summary": "RHBZ#1248760",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1248760"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-5165",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-5165"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-5165",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-5165"
        },
        {
          "category": "external",
          "summary": "http://xenbits.xen.org/xsa/advisory-140.html",
          "url": "http://xenbits.xen.org/xsa/advisory-140.html"
        }
      ],
      "release_date": "2015-08-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2015-09-07T15:49:34+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7_1.8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:1739"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "products": [
            "7Server-RHEV-Agents-7:libcacard-devel-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:libcacard-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:libcacard-tools-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7_1.8.src",
            "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.1.2-23.el7_1.8.x86_64",
            "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.1.2-23.el7_1.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Qemu: rtl8139 uninitialized heap memory information leakage to guest (XSA-140)"
    }
  ]
}

cve-2015-5165

Vulnerability from cvelistv5

Published

2015-08-12 14:00

Modified

2024-08-06 06:41

Severity ?

Summary

The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

References

▼	URL	Tags
	http://rhn.redhat.com/errata/RHSA-2015-1674.html	vendor-advisory, x_refsource_REDHAT
	http://www.securitytracker.com/id/1033176	vdb-entry, x_refsource_SECTRACK
	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html	vendor-advisory, x_refsource_SUSE
	http://www.debian.org/security/2015/dsa-3348	vendor-advisory, x_refsource_DEBIAN
	http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	x_refsource_CONFIRM
	http://support.citrix.com/article/CTX201717	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2015-1683.html	vendor-advisory, x_refsource_REDHAT
	http://rhn.redhat.com/errata/RHSA-2015-1793.html	vendor-advisory, x_refsource_REDHAT
	http://www.debian.org/security/2015/dsa-3349	vendor-advisory, x_refsource_DEBIAN
	http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html	vendor-advisory, x_refsource_FEDORA
	http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html	vendor-advisory, x_refsource_FEDORA
	http://rhn.redhat.com/errata/RHSA-2015-1833.html	vendor-advisory, x_refsource_REDHAT
	http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00018.html	vendor-advisory, x_refsource_SUSE
	http://rhn.redhat.com/errata/RHSA-2015-1740.html	vendor-advisory, x_refsource_REDHAT
	http://rhn.redhat.com/errata/RHSA-2015-1739.html	vendor-advisory, x_refsource_REDHAT
	http://www.securityfocus.com/bid/76153	vdb-entry, x_refsource_BID
	http://xenbits.xen.org/xsa/advisory-140.html	x_refsource_CONFIRM
	https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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            "name": "DSA-3348",
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            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html"
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            "name": "RHSA-2015:1833",
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}

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.

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