rhsa-2013_0639
Vulnerability from csaf_redhat
Published
2013-03-12 17:51
Modified
2024-11-22 06:17
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 OpenStack Folsom. The Red Hat Security Response Team has rated this update as having important 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 packages form the user-space component for running virtual machines using KVM. A flaw was found in the way QEMU-KVM emulated the e1000 network interface card when the host was configured to accept jumbo network frames, and a guest using the e1000 emulated driver was not. A remote attacker could use this flaw to crash the guest or, potentially, execute arbitrary code with root privileges in the guest. (CVE-2012-6075) All users of qemu-kvm-rhev are advised to upgrade to these updated packages, which 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.
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.


To clipboard 

{
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      "text": "Important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated qemu-kvm-rhev packages that fix one security issue are now\navailable for Red Hat OpenStack Folsom.\n\nThe Red Hat Security Response Team has rated this update as having\nimportant security impact. A Common Vulnerability Scoring System (CVSS)\nbase score, which gives a detailed severity rating, is available from the\nCVE link in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev packages form the\nuser-space component for running virtual machines using KVM.\n\nA flaw was found in the way QEMU-KVM emulated the e1000 network interface\ncard when the host was configured to accept jumbo network frames, and a\nguest using the e1000 emulated driver was not. A remote attacker could use\nthis flaw to crash the guest or, potentially, execute arbitrary code with\nroot privileges in the guest. (CVE-2012-6075)\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which correct this issue. After installing this update, shut down\nall running virtual machines. Once all virtual machines have shut down,\nstart them again for this update to take effect.",
        "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"
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      }
    ],
    "title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
    "tracking": {
      "current_release_date": "2024-11-22T06:17:25+00:00",
      "generator": {
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        "engine": {
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          "version": "4.2.1"
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      "id": "RHSA-2013:0639",
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          "summary": "Last updated version"
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        }
      ],
      "status": "final",
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  "vulnerabilities": [
    {
      "cve": "CVE-2012-6075",
      "discovery_date": "2012-12-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "889301"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow in the e1000_receive function in the e1000 device driver (hw/e1000.c) in QEMU 1.3.0-rc2 and other versions, when the SBP and LPE flags are disabled, allows remote attackers to cause a denial of service (guest OS crash) and possibly execute arbitrary guest code via a large packet.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "qemu: e1000 driver buffer overflow when processing large packets when SBP and LPE flags are disabled",
          "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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          "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.src",
          "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.x86_64",
          "6Server-Folsom:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.355.el6_4.2.x86_64",
          "6Server-Folsom:qemu-kvm-rhev-tools-2:0.12.1.2-2.355.el6_4.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2012-6075"
        },
        {
          "category": "external",
          "summary": "RHBZ#889301",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=889301"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2012-6075",
          "url": "https://www.cve.org/CVERecord?id=CVE-2012-6075"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2012-6075",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-6075"
        }
      ],
      "release_date": "2012-12-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-03-12T17:51:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/knowledge/articles/11258",
          "product_ids": [
            "6Server-Folsom:qemu-img-rhev-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.src",
            "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-tools-2:0.12.1.2-2.355.el6_4.2.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0639"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.8,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:A/AC:H/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "products": [
            "6Server-Folsom:qemu-img-rhev-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.src",
            "6Server-Folsom:qemu-kvm-rhev-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.355.el6_4.2.x86_64",
            "6Server-Folsom:qemu-kvm-rhev-tools-2:0.12.1.2-2.355.el6_4.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "qemu: e1000 driver buffer overflow when processing large packets when SBP and LPE flags are disabled"
    }
  ]
}


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