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    Ubuntu 4047-2: libvirt update vulnerability

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    Several security issues were fixed in libvirt.
    ==========================================================================
    Ubuntu Security Notice USN-4047-2
    January 13, 2020
    
    libvirt vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    
    Summary:
    
    Several security issues were fixed in libvirt.
    
    Software Description:
    - libvirt: Libvirt virtualization toolkit
    
    Details:
    
    USN-4047-1 fixed a vulnerability in libvirt. This update provides
    the corresponding update for Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     Matthias Gerstner and Ján Tomko discovered that libvirt incorrectly handled
     certain API calls. An attacker could possibly use this issue to check for
     arbitrary files, or execute arbitrary binaries. In the default
     installation, attackers would be isolated by the libvirt AppArmor profile.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      libvirt-bin                     1.2.2-0ubuntu13.1.28+esm1
      libvirt0                        1.2.2-0ubuntu13.1.28+esm1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4047-2
      https://usn.ubuntu.com/4047-1
      CVE-2019-10161
    

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