Ubuntu 5252-1: PolicyKit vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: policykit-1 0.105-31ubuntu0.1 Ubuntu 20.04 LTS: policykit-1 0.105-26ubuntu1.2 Ubuntu 18.04 LTS: policykit-1 0.105-20ubuntu0.18.04.6 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-5252-1
CVE-2021-4034
Package Information
https://launchpad.net/ubuntu/+source/policykit-1/0.105-31ubuntu0.1 https://launchpad.net/ubuntu/+source/policykit-1/0.105-26ubuntu1.2 https://launchpad.net/ubuntu/+source/policykit-1/0.105-20ubuntu0.18.04.6