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      "text": "Moderate"
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      "text": "Copyright © Red Hat, Inc. All rights reserved.",
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        "category": "summary",
        "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.",
        "title": "Topic"
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        "text": "The xorg-x11-drv-qxl package provides an X11 video driver for the QEMU QXL\nvideo accelerator. This driver makes it possible to use Red Hat Enterprise\nLinux 6 as a guest operating system under the KVM kernel module and the\nQEMU multi-platform emulator, using the SPICE protocol.\n\nA flaw was found in the way the host's qemu-kvm qxl driver and the guest's\nX.Org qxl driver interacted when a SPICE connection terminated. A user able\nto initiate a SPICE connection to a guest could use this flaw to make the\nguest temporarily unavailable or, potentially (if the sysctl\nkernel.softlockup_panic variable was set to \"1\" in the guest), crash the\nguest. (CVE-2013-0241)\n\nAll users of xorg-x11-drv-qxl are advised to upgrade to this updated\npackage, which contains a backported patch to correct this issue. All\nrunning X.Org server instances using the qxl driver must be restarted for\nthis 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.",
        "title": "Terms of Use"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0218.json"
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    "title": "Red Hat Security Advisory: xorg-x11-drv-qxl security update",
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          "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"
        },
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          "text": "qxl: synchronous io guest DoS",
          "title": "Vulnerability summary"
        },
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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            "6Workstation-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.x86_64"
          ],
          "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": [
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            "6Client-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.src",
            "6Client-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.x86_64",
            "6Client-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.i686",
            "6Client-6.3.z:xorg-x11-drv-qxl-debuginfo-0:0.0.14-14.el6_3.x86_64",
            "6Server-6.3.z:xorg-x11-drv-qxl-0:0.0.14-14.el6_3.i686",
            "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"
    }
  ]
}