Ref# ADV2025_357 | Date: Oct 7th 2025

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Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products between September 29^th and October 5^th, 2025. It is recommended that you take these necessary precautions by ensuring your products are always updated.

• Ubuntu 14.04 LTS
• Ubuntu 16.04 LTS
• Ubuntu 18.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 24.04 LTS
• Ubuntu 25.04 LTS

For more information on this update, you can follow this URL:

• Ubuntu Security Notices

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: Ubuntu Security Advisory

References

• Security notices | Ubuntu. (n.d.). Ubuntu. https://ubuntu.com/security/notices
• Ubuntu security advisory (2025, October 6). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av25-643