Ubuntu 3264-1: Linux kernel vulnerability

    Date24 Apr 2017
    CategoryUbuntu
    66
    Posted ByLinuxSecurity Advisories
    The system could be made to crash under certain conditions.
    ==========================================================================
    Ubuntu Security Notice USN-3264-1
    April 24, 2017
    
    linux vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    
    Summary:
    
    The system could be made to crash under certain conditions.
    
    Software Description:
    - linux: Linux kernel
    
    Details:
    
    Alexander Popov discovered that a race condition existed in the Stream
    Control Transmission Protocol (SCTP) implementation in the Linux kernel. A
    local attacker could use this to cause a denial of service (system crash).
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      linux-image-3.13.0-117-generic  3.13.0-117.164
      linux-image-3.13.0-117-generic-lpae  3.13.0-117.164
      linux-image-3.13.0-117-lowlatency  3.13.0-117.164
      linux-image-3.13.0-117-powerpc-e500  3.13.0-117.164
      linux-image-3.13.0-117-powerpc-e500mc  3.13.0-117.164
      linux-image-3.13.0-117-powerpc-smp  3.13.0-117.164
      linux-image-3.13.0-117-powerpc64-smp  3.13.0-117.164
      linux-image-generic             3.13.0.117.127
      linux-image-generic-lpae        3.13.0.117.127
      linux-image-lowlatency          3.13.0.117.127
      linux-image-powerpc-e500        3.13.0.117.127
      linux-image-powerpc-e500mc      3.13.0.117.127
      linux-image-powerpc-smp         3.13.0.117.127
      linux-image-powerpc64-smp       3.13.0.117.127
    
    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.
    Unless you manually uninstalled the standard kernel metapackages
    (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
    linux-powerpc), a standard system upgrade will automatically perform
    this as well.
    
    References:
      http://www.ubuntu.com/usn/usn-3264-1
      CVE-2017-5986
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux/3.13.0-117.164
    
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