Ubuntu 2490-1: Linux kernel vulnerabilities

    Date 03 Feb 2015
    156
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-2490-1
    February 04, 2015
    
    linux vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux: Linux kernel
    
    Details:
    
    Andy Lutomirski discovered an information leak in the Linux kernel's Thread
    Local Storage (TLS) implementation allowing users to bypass the espfix to
    obtain information that could be used to bypass the Address Space Layout
    Randomization (ASLR) protection mechanism. A local user could exploit this
    flaw to obtain potentially sensitive information from kernel memory.
    (CVE-2014-8133)
    
    Prasad J Pandit reported a flaw in the rock_continue function of the Linux
    kernel's ISO 9660 CDROM file system. A local user could exploit this flaw
    to cause a denial of service (system crash or hang). (CVE-2014-9420)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 10.04 LTS:
      linux-image-2.6.32-72-386       2.6.32-72.139
      linux-image-2.6.32-72-generic   2.6.32-72.139
      linux-image-2.6.32-72-generic-pae  2.6.32-72.139
      linux-image-2.6.32-72-ia64      2.6.32-72.139
      linux-image-2.6.32-72-lpia      2.6.32-72.139
      linux-image-2.6.32-72-powerpc   2.6.32-72.139
      linux-image-2.6.32-72-powerpc-smp  2.6.32-72.139
      linux-image-2.6.32-72-powerpc64-smp  2.6.32-72.139
      linux-image-2.6.32-72-preempt   2.6.32-72.139
      linux-image-2.6.32-72-server    2.6.32-72.139
      linux-image-2.6.32-72-sparc64   2.6.32-72.139
      linux-image-2.6.32-72-sparc64-smp  2.6.32-72.139
      linux-image-2.6.32-72-versatile  2.6.32-72.139
      linux-image-2.6.32-72-virtual   2.6.32-72.139
    
    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:
      https://www.ubuntu.com/usn/usn-2490-1
      CVE-2014-8133, CVE-2014-9420
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux/2.6.32-72.139
    
    
    

    LinuxSecurity Poll

    If you are using full-disk encryption: are you concerned about the resulting performance hit?

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    /main-polls/34-if-you-are-using-full-disk-encryption-are-you-concerned-about-the-resulting-performance-hit?task=poll.vote&format=json
    34
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    [{"id":"120","title":"Yes","votes":"14","type":"x","order":"1","pct":58.33,"resources":[]},{"id":"121","title":"No ","votes":"10","type":"x","order":"2","pct":41.67,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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