Ubuntu alert USN-6253-1 (libvirt)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com>
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com>
Subject:
             
 
[USN-6253-1] libvirt vulnerability
Date:
             
 
Wed, 26 Jul 2023 12:30:01 -0400
Message-ID:
             
 
<0175e3e4-1934-3ba8-64a2-f241f96733cc@canonical.com>
==========================================================================
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

Summary:

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

Software Description:
- libvirt: Libvirt virtualization toolkit

Details:

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.

References:
   https://ubuntu.com/security/notices/USN-6253-1
   CVE-2023-3750

Package Information:
   https://launchpad.net/ubuntu/+source/libvirt/9.0.0-2ubunt...