UBUNTU-CVE-2013-6456

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    UBUNTU-CVE-2013-6456

    Published: 15 Apr 2014Last Modified: 4 Feb 2026
    Upstream:
    CVE-2013-6456
    Aliases:
    USN-2209-1

    Summary:

    Details: The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.

    References: https://ubuntu.com/security/CVE-2013-6456, http://security.libvirt.org/2013/0018.html, https://ubuntu.com/security/notices/USN-2209-1, https://www.cve.org/CVERecord?id=CVE-2013-6456

    Affected packages

    Package

    Name: libvirt

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.2.2-0ubuntu1

    Affected versions

    1.1.1-0ubuntu8
    1.1.1-0ubuntu9
    1.1.4-0ubuntu2
    1.1.4-0ubuntu3
    1.1.4-0ubuntu4
    1.1.4-0ubuntu5

    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