1. Ubuntu Security Notices
  2. USN-4047-1

USN-4047-1: libvirt vulnerabilities

Publication date

8 July 2019

Overview

Several security issues were fixed in libvirt.

Releases

Packages

  • libvirt - Libvirt virtualization toolkit

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.

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

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.04 disco libvirt-clients –  5.0.0-1ubuntu2.4
libvirt-daemon –  5.0.0-1ubuntu2.4
libvirt0 –  5.0.0-1ubuntu2.4
18.10 cosmic libvirt-clients –  4.6.0-2ubuntu3.8
libvirt-daemon –  4.6.0-2ubuntu3.8
libvirt0 –  4.6.0-2ubuntu3.8
18.04 bionic libvirt-clients –  4.0.0-1ubuntu8.12
libvirt-daemon –  4.0.0-1ubuntu8.12
libvirt0 –  4.0.0-1ubuntu8.12
16.04 xenial libvirt-bin –  1.3.1-1ubuntu10.27
libvirt0 –  1.3.1-1ubuntu10.27

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References

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