USN-5304-1: PolicyKit vulnerability
28 February 2022
policykit-1 could be made to crash if it received specially crafted data.
Releases
Packages
- policykit-1 - framework for managing administrative policies and privileges
Details
Kevin Backhouse discovered that PolicyKit incorrectly handled file
descriptors. A local attacker could possibly use this issue to cause
PolicyKit to crash, resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.