rhsa-2017_0621
Vulnerability from csaf_redhat
Published
2017-03-21 08:28
Modified
2024-11-22 09:56
Summary
Red Hat Security Advisory: qemu-kvm security and bug fix 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 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): * An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance. (CVE-2016-3712) Red Hat would like to thank Zuozhi Fzz (Alibaba Inc.) for reporting this issue. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section.
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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          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "qemu-kvm: Out-of-bounds read when creating weird vga screen surface",
          "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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            "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.i686",
            "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.ppc64",
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            "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.503.el6.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:0621"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 3.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:S/C:P/I:N/A:P",
            "version": "2.0"
          },
          "products": [
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            "6Client:qemu-guest-agent-2:0.12.1.2-2.503.el6.ppc64",
            "6Client:qemu-guest-agent-2:0.12.1.2-2.503.el6.x86_64",
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            "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.503.el6.i686",
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            "6ComputeNode:qemu-kvm-tools-2:0.12.1.2-2.503.el6.x86_64",
            "6Server:qemu-guest-agent-2:0.12.1.2-2.503.el6.i686",
            "6Server:qemu-guest-agent-2:0.12.1.2-2.503.el6.ppc64",
            "6Server:qemu-guest-agent-2:0.12.1.2-2.503.el6.x86_64",
            "6Server:qemu-img-2:0.12.1.2-2.503.el6.x86_64",
            "6Server:qemu-kvm-2:0.12.1.2-2.503.el6.src",
            "6Server:qemu-kvm-2:0.12.1.2-2.503.el6.x86_64",
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            "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.x86_64",
            "6Server:qemu-kvm-tools-2:0.12.1.2-2.503.el6.x86_64",
            "6Workstation:qemu-guest-agent-2:0.12.1.2-2.503.el6.i686",
            "6Workstation:qemu-guest-agent-2:0.12.1.2-2.503.el6.ppc64",
            "6Workstation:qemu-guest-agent-2:0.12.1.2-2.503.el6.x86_64",
            "6Workstation:qemu-img-2:0.12.1.2-2.503.el6.x86_64",
            "6Workstation:qemu-kvm-2:0.12.1.2-2.503.el6.src",
            "6Workstation:qemu-kvm-2:0.12.1.2-2.503.el6.x86_64",
            "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.i686",
            "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.ppc64",
            "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6.x86_64",
            "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.503.el6.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "qemu-kvm: Out-of-bounds read when creating weird vga screen surface"
    }
  ]
}


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