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    Ubuntu 4204-1: psutil vulnerability

    Date
    546
    Posted By
    psutil could be made to crash or run programs.
    ==========================================================================
    Ubuntu Security Notice USN-4204-1
    November 28, 2019
    
    python-psutil vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    psutil could be made to crash or run programs.
    
    Software Description:
    - python-psutil: module providing convenience functions for managing processes
    
    Details:
    
    Riccardo Schirone discovered that psutil incorrectly handled certain
    reference counting operations. An attacker could use this issue to cause
    psutil to crash, resulting in a denial of service, or possibly execute
    arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      python-psutil                   5.5.1-1ubuntu0.19.10.1
      python3-psutil                  5.5.1-1ubuntu0.19.10.1
    
    Ubuntu 19.04:
      python-psutil                   5.5.1-1ubuntu0.19.04.1
      python3-psutil                  5.5.1-1ubuntu0.19.04.1
    
    Ubuntu 18.04 LTS:
      python-psutil                   5.4.2-1ubuntu0.1
      python3-psutil                  5.4.2-1ubuntu0.1
    
    Ubuntu 16.04 LTS:
      python-psutil                   3.4.2-1ubuntu0.1
      python3-psutil                  3.4.2-1ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4204-1
      CVE-2019-18874
    
    Package Information:
      https://launchpad.net/ubuntu/+source/python-psutil/5.5.1-1ubuntu0.19.10.1
      https://launchpad.net/ubuntu/+source/python-psutil/5.5.1-1ubuntu0.19.04.1
      https://launchpad.net/ubuntu/+source/python-psutil/5.4.2-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/python-psutil/3.4.2-1ubuntu0.1
    
    

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