1. Ubuntu Security Notices
  2. USN-4452-1

USN-4452-1: libvirt vulnerability

Publication date

4 August 2020

Overview

libvirt could be made to run programs as an administrator.

Releases

Packages

  • libvirt - Libvirt virtualization toolkit

Details

Trent Shea working with Trend Micro´s Zero Day Initiative, discovered that
the libvirt package set incorrect permissions on the UNIX domain socket. A
local attacker could use this issue to access libvirt and escalate
privileges.

Trent Shea working with Trend Micro´s Zero Day Initiative, discovered that
the libvirt package set incorrect permissions on the UNIX domain socket. A
local attacker could use this issue to access libvirt and escalate
privileges.

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
20.04 focal libvirt-daemon –  6.0.0-0ubuntu8.3
libvirt-daemon-system –  6.0.0-0ubuntu8.3
libvirt0 –  6.0.0-0ubuntu8.3

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References

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