[USN-6253-1] libvirt vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Wed Jul 26 16:30:01 UTC 2023

Ubuntu Security Notice USN-6253-1
July 26, 2023

libvirt vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04


libvirt could be made to stop responding or crash if it received specially
crafted commands.

Software Description:
- libvirt: Libvirt virtualization toolkit


It wad discovered that libvirt incorrectly handled locking when processing
certain requests. A local attacker could possibly use this issue to cause
libvirt to stop responding or crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 23.04:
   libvirt-daemon                  9.0.0-2ubuntu1.2
   libvirt-daemon-system           9.0.0-2ubuntu1.2
   libvirt0                        9.0.0-2ubuntu1.2

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


Package Information:

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