Ubuntu 2585-1: Linux kernel vulnerability

    Date30 Apr 2015
    Posted ByLinuxSecurity Advisories
    The system could be made to run programs as an administrator.
    Ubuntu Security Notice USN-2585-1
    April 30, 2015
    linux vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.04 LTS
    The system could be made to run programs as an administrator.
    Software Description:
    - linux: Linux kernel
    It was discovered that the Linux kernel's IPv6 networking stack has a flaw
    that allows using route advertisement (RA) messages to set the 'hop_limit'
    to values that are too low. An unprivileged attacker on a local network
    could exploit this flaw to cause a denial of service (IPv6 messages
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.04 LTS:
      linux-image-3.2.0-82-generic    3.2.0-82.119
      linux-image-3.2.0-82-generic-pae  3.2.0-82.119
      linux-image-3.2.0-82-highbank   3.2.0-82.119
      linux-image-3.2.0-82-omap       3.2.0-82.119
      linux-image-3.2.0-82-powerpc-smp  3.2.0-82.119
      linux-image-3.2.0-82-powerpc64-smp  3.2.0-82.119
      linux-image-3.2.0-82-virtual    3.2.0-82.119
    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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