Ubuntu has published a security advisory to address vulnerabilities in Linux Kernel affecting the following products listed below on the 19th of January 2022. It is recommended that you take the necessary precautions by ensuring your products are always updated.
Ubuntu 21.10
Ubuntu 21.04
Ubuntu 20.04 LTS
Ubuntu 18.04 LTS
For more information on this update, you can follow this URL:
https://ubuntu.com/security/notices/USN-5240-1
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Ubuntu Security Advisory.pdf
References
Ubuntu security advisory (19th January 2022). Retrieved from Ubuntu.
https://ubuntu.com/security/notices?release=focal
Ubuntu security advisory (20th January 2022). Retrieved from Canadian Centre for Cyber Security.
https://www.cyber.gc.ca/en/alerts/ubuntu-security-advisory-av22-033