Ubuntu security advisory (AV25-681)

Serial number: AV25-681
Date: October 20, 2025

Between October 13 and 19, 2025, 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 25.04

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

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