Ubuntu published security updates on 28th January 2021, addressing vulnerabilities in the Linux Kernel affecting the following Products.
Ubuntu 20.10
Ubuntu 20.04 LTS
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS
Ubuntu 14.04 ESM
For more information on Ubuntu updates you can follow the URL:
https://ubuntu.com/security/notices
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Ubuntu Security Advisory.pdf
References
USN-4694-1: Linux kernel vulnerability (28th, January, 2021). Retrieved from Ubuntu Security
Ubuntu Security Advisory (28th, January, 2021). Retrieve from the Canadian Centre for Cyber Security (Cyber Centre)