Ubuntu 1815-1: Linux kernel vulnerabilities

    Date02 May 2013
    CategoryUbuntu
    36
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-1815-1
    May 02, 2013
    
    linux vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.04
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux: Linux kernel
    
    Details:
    
    Andy Lutomirski discover an error in the Linux kernel's credential handling
    on unix sockets. A local user could exploit this flaw to gain
    administrative privileges. (CVE-2013-1979)
    
    Andy Lutomirski discovered a privilege escalation in the Linux kernel's
    user namespaces. A local user could exploit the flaw to gain administrative
    privileges. (CVE-2013-1959)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.04:
      linux-image-3.8.0-19-generic    3.8.0-19.30
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1815-1
      CVE-2013-1959, CVE-2013-1979
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux/3.8.0-19.30
    
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