Ubuntu has published a security advisory, highlighting vulnerabilities in Linux Kernel for multiple products on 26th July 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
Ubuntu 20.04 LTS
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
For more information on these Ubuntu updates, you can follow this URL:
https://www.ubuntu.com/security/notices/LSN-0079-1
The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.
PDF Download: Ubuntu Releases Security Updates for Multiple Products.pdf
References
Ubuntu releases security updates (26th July 2021). Retrieved from the Canadian Centre for Cybersecurity.
https://www.cyber.gc.ca/en/alerts/ubuntu-security-advisory-18
Ubuntu releases security updates (26th July 2021). Retrieved from Ubuntu.
https://www.ubuntu.com/security/notices/LSN-0079-1