Ubuntu 2313-1: Linux kernel (Trusty HWE) vulnerability

    Date13 Aug 2014
    CategoryUbuntu
    75
    Posted ByLinuxSecurity Advisories
    The system could be made to crash under certain conditions.
    ==========================================================================
    Ubuntu Security Notice USN-2313-1
    August 13, 2014
    
    linux-lts-trusty vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    
    Summary:
    
    The system could be made to crash under certain conditions.
    
    Software Description:
    - linux-lts-trusty: Linux hardware enablement kernel from Trusty
    
    Details:
    
    An flaw was discovered in the Linux kernel's audit subsystem when auditing
    certain syscalls. A local attacker could exploit this flaw to obtain
    potentially sensitive single-bit values from kernel memory or cause a
    denial of service (OOPS).
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      linux-image-3.13.0-33-generic   3.13.0-33.58~precise1
      linux-image-3.13.0-33-generic-lpae  3.13.0-33.58~precise1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    ATTENTION: Due to an unavoidable ABI change the kernel updates have
    been given a new version number, which requires you to recompile and
    reinstall all third party kernel modules you might have installed. If
    you use linux-restricted-modules, you have to update that package as
    well to get modules which work with the new kernel version. Unless you
    manually uninstalled the standard kernel metapackages (e.g. linux-generic,
    linux-server, linux-powerpc), a standard system upgrade will automatically
    perform this as well.
    
    References:
      http://www.ubuntu.com/usn/usn-2313-1
      CVE-2014-3917
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-33.58~precise1
    
    
    
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