rhsa-2013_0218
Vulnerability from csaf_redhat
Published
2013-01-31 19:17
Modified
2024-11-22 06:09
Summary
Red Hat Security Advisory: xorg-x11-drv-qxl security update

Notes

Topic
An updated xorg-x11-drv-qxl package that fixes one security issue is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team 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
The xorg-x11-drv-qxl package provides an X11 video driver for the QEMU QXL video accelerator. This driver makes it possible to use Red Hat Enterprise Linux 6 as a guest operating system under the KVM kernel module and the QEMU multi-platform emulator, using the SPICE protocol. A flaw was found in the way the host's qemu-kvm qxl driver and the guest's X.Org qxl driver interacted when a SPICE connection terminated. A user able to initiate a SPICE connection to a guest could use this flaw to make the guest temporarily unavailable or, potentially (if the sysctl kernel.softlockup_panic variable was set to "1" in the guest), crash the guest. (CVE-2013-0241) All users of xorg-x11-drv-qxl are advised to upgrade to this updated package, which contains a backported patch to correct this issue. All running X.Org server instances using the qxl driver must be restarted 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": "An updated xorg-x11-drv-qxl package that fixes one security issue is now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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  "vulnerabilities": [
    {
      "cve": "CVE-2013-0241",
      "discovery_date": "2012-10-29T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "906032"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The QXL display driver in QXL Virtual GPU 0.1.0 allows local users to cause a denial of service (guest crash or hang) via a SPICE connection that prevents other threads from obtaining the qemu_mutex mutex.  NOTE: some of these details are obtained from third party information.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "qxl: synchronous io guest DoS",
          "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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0218"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.6,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:H/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "products": [
            "6Client-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.i686",
            "6Client-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.src",
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            "6Server-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.src",
            "6Server-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.x86_64",
            "6Server-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.i686",
            "6Server-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.x86_64",
            "6Workstation-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.i686",
            "6Workstation-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.src",
            "6Workstation-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.x86_64",
            "6Workstation-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.i686",
            "6Workstation-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "qxl: synchronous io guest DoS"
    }
  ]
}


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