Ubuntu 4021-1: libvirt vulnerabilities

    Date19 Jun 2019
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in libvirt.
    Ubuntu Security Notice USN-4021-1
    June 19, 2019
    libvirt vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 19.04
    - Ubuntu 18.10
    Several security issues were fixed in libvirt.
    Software Description:
    - libvirt: Libvirt virtualization toolkit
    Daniel P. Berrangé discovered that libvirt incorrectly handled socket
    permissions. A local attacker could possibly use this issue to access
    libvirt. (CVE-2019-10132)
    It was discovered that libvirt incorrectly performed certain permission
    checks. A remote attacker could possibly use this issue to access the
    guest agent and cause a denial of service. This issue only affected Ubuntu
    19.04. (CVE-2019-3886)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 19.04:
      libvirt-clients                 5.0.0-1ubuntu2.3
      libvirt-daemon                  5.0.0-1ubuntu2.3
      libvirt0                        5.0.0-1ubuntu2.3
    Ubuntu 18.10:
      libvirt-clients                 4.6.0-2ubuntu3.7
      libvirt-daemon                  4.6.0-2ubuntu3.7
      libvirt0                        4.6.0-2ubuntu3.7
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
      CVE-2019-10132, CVE-2019-3886
    Package Information:
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