[USN-6126-1] libvirt vulnerabilities
marc.deslauriers at canonical.com
Wed May 31 12:59:58 UTC 2023
Ubuntu Security Notice USN-6126-1
May 31, 2023
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
Several security issues were fixed in libvirt.
- libvirt: Libvirt virtualization toolkit
It was discovered that libvirt incorrectly handled the nwfilter driver. A
local attacker could possibly use this issue to cause libvirt to crash,
resulting in a denial of service. This issue only affected Ubuntu 22.04
It was discovered that libvirt incorrectly handled queries for the SR-IOV
PCI device capabilities. A local attacker could possibly use this issue to
cause libvirt to consume resources, leading to a denial of service.
The problem can be corrected by updating your system to the following
Ubuntu 22.04 LTS:
After a standard system update you need to reboot your computer to make all
the necessary changes.
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