Ubuntu has published a security advisory to address a vulnerability in the following products on the 6th 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
Ubuntu 16.04 ESM
Ubuntu 14.04 ESM
For more information on these updates, you can follow these URLs:
https://ubuntu.com/security/notices?release=impish
https://ubuntu.com/security/notices?release=focal
https://ubuntu.com/security/notices?release=bionic
https://ubuntu.com/security/notices?release=xenial
https://ubuntu.com/security/notices?release=trusty
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 (6th January 2022). Retrieved from Canadian Centre for Cyber Security.
https://www.cyber.gc.ca/en/alerts/ubuntu-security-advisory-34
Ubuntu security advisory (6th January 2022). Retrieved from Ubuntu.
https://ubuntu.com/security/notices