Ubuntu 4980-1: polkit vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: libpolkit-agent-1-0 0.105-30ubuntu0.1 libpolkit-gobject-1-0 0.105-30ubuntu0.1 policykit-1 0.105-30ubuntu0.1 Ubuntu 20.10: libpolkit-agent-1-0 0.105-29ubuntu0.1 libpolkit-gobject-1-0 0.105-29ubuntu0.1 policykit-1 0.105-29ubuntu0.1 Ubuntu 20.04 LTS: libpolkit-agent-1-0 0.105-26ubuntu1.1 libpolkit-gobject-1-0 0.105-26ubuntu1.1 policykit-1 0.105-26ubuntu1.1 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4980-1
CVE-2021-3560
Package Information
https://launchpad.net/ubuntu/+source/policykit-1/0.105-30ubuntu0.1 https://launchpad.net/ubuntu/+source/policykit-1/0.105-29ubuntu0.1 https://launchpad.net/ubuntu/+source/policykit-1/0.105-26ubuntu1.1