Ubuntu 2611-1: Linux kernel vulnerability

    Date20 May 2015
    Posted ByLinuxSecurity Advisories
    The system could be made to crash if it received specially crafted network traffic.
    Ubuntu Security Notice USN-2611-1
    May 20, 2015
    linux vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.04 LTS
    The system could be made to crash if it received specially crafted
    network traffic.
    Software Description:
    - linux: Linux kernel
    Vincent Tondellier discovered an integer overflow in the Linux kernel's
    netfilter connection tracking accounting of loaded extensions. An attacker
    on the local area network (LAN) could potential exploit this flaw to cause
    a denial of service (system crash of targeted system).
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.04 LTS:
      linux-image-3.2.0-84-generic    3.2.0-84.121
      linux-image-3.2.0-84-generic-pae  3.2.0-84.121
      linux-image-3.2.0-84-highbank   3.2.0-84.121
      linux-image-3.2.0-84-omap       3.2.0-84.121
      linux-image-3.2.0-84-powerpc-smp  3.2.0-84.121
      linux-image-3.2.0-84-powerpc64-smp  3.2.0-84.121
      linux-image-3.2.0-84-virtual    3.2.0-84.121
    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.
    Package Information:
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