CVE-2013-0311

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    CVE-2013-0311

    Published: 22 Feb 2013Last Modified: 10 Apr 2026

    Summary:

    Details: The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.

    References: http://rhn.redhat.com/errata/RHSA-2013-0496.html, http://rhn.redhat.com/errata/RHSA-2013-0579.html, http://rhn.redhat.com/errata/RHSA-2013-0882.html, http://rhn.redhat.com/errata/RHSA-2013-0928.html, http://www.mandriva.com/security/advisories?name=MDVSA-2013:176, http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2, https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85, https://bugzilla.redhat.com/show_bug.cgi?id=912905, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85, http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html, http://www.openwall.com/lists/oss-security/2013/02/20/6

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High