Ubuntu 3908-1: Linux kernel vulnerability

    Date12 Mar 2019
    CategoryUbuntu
    3539
    Posted ByLinuxSecurity Advisories
    The system could be made to run programs as an administrator.
    ==========================================================================
    Ubuntu Security Notice USN-3908-1
    March 12, 2019
    
    linux vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    
    Summary:
    
    The system could be made to run programs as an administrator.
    
    Software Description:
    - linux: Linux kernel
    
    Details:
    
    Jann Horn discovered a race condition in the fork() system call in the
    Linux kernel. A local attacker could use this to gain access to services
    that cache authorizations.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      linux-image-3.13.0-166-generic  3.13.0-166.216
      linux-image-3.13.0-166-generic-lpae  3.13.0-166.216
      linux-image-3.13.0-166-lowlatency  3.13.0-166.216
      linux-image-3.13.0-166-powerpc-e500  3.13.0-166.216
      linux-image-3.13.0-166-powerpc-e500mc  3.13.0-166.216
      linux-image-3.13.0-166-powerpc-smp  3.13.0-166.216
      linux-image-3.13.0-166-powerpc64-emb  3.13.0-166.216
      linux-image-3.13.0-166-powerpc64-smp  3.13.0-166.216
      linux-image-generic             3.13.0.166.177
      linux-image-generic-lpae        3.13.0.166.177
      linux-image-lowlatency          3.13.0.166.177
      linux-image-powerpc-e500        3.13.0.166.177
      linux-image-powerpc-e500mc      3.13.0.166.177
      linux-image-powerpc-smp         3.13.0.166.177
      linux-image-powerpc64-emb       3.13.0.166.177
      linux-image-powerpc64-smp       3.13.0.166.177
      linux-image-virtual             3.13.0.166.177
    
    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:
      https://usn.ubuntu.com/usn/usn-3908-1
      CVE-2019-6133
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux/3.13.0-166.216
    
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