Ubuntu 2209-1: libvirt vulnerabilities

    Date07 May 2014
    86
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in libvirt.
    ==========================================================================
    Ubuntu Security Notice USN-2209-1
    May 07, 2014
    
    libvirt vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.10
    
    Summary:
    
    Several security issues were fixed in libvirt.
    
    Software Description:
    - libvirt: Libvirt virtualization toolkit
    
    Details:
    
    It was discovered that libvirt incorrectly handled symlinks when using the
    LXC driver. An attacker could possibly use this issue to delete host
    devices, create arbitrary nodes, and shutdown or power off the host.
    (CVE-2013-6456)
    
    Marian Krcmarik discovered that libvirt incorrectly handled seamless SPICE
    migrations. An attacker could possibly use this issue to cause a denial of
    service. (CVE-2013-7336)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.10:
      libvirt-bin                     1.1.1-0ubuntu8.11
      libvirt0                        1.1.1-0ubuntu8.11
    
    After a standard system update you need to reboot your computer to make all
    the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-2209-1
      CVE-2013-6456, CVE-2013-7336
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libvirt/1.1.1-0ubuntu8.11
    
    
    
    
    

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