Ubuntu Security Notice 6253-1 - 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.
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Ubuntu Security Notice USN-6253-1
July 26, 2023
libvirt vulnerability
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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/9.0.0-2ubuntu1.2