Serial number: AV26-154
Date: February 23, 2026
Between February 16 and 22, 2026, Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products:
- Ubuntu 18.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 25.10
The Cyber Centre encourages users and administrators to review the web link provided and apply the necessary updates.