Ubuntu 1260-1: Linux kernel (OMAP4) vulnerability

    Date14 Nov 2011
    CategoryUbuntu
    42
    Posted ByLinuxSecurity Advisories
    A security issue was fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-1260-1
    November 14, 2011
    
    linux-ti-omap4 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    
    Summary:
    
    A security issue was fixed in the kernel.
    
    Software Description:
    - linux-ti-omap4: Linux kernel for OMAP4
    
    Details:
    
    Vasiliy Kulikov discovered that taskstats did not enforce access
    restrictions. A local attacker could exploit this to read certain
    information, leading to a loss of privacy.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      linux-image-3.0.0-1206-omap4    3.0.0-1206.12
    
    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-1260-1
      CVE-2011-2494
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.0.0-1206.12
    
    
    
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