Ref# ADV2025_430 | Date: Dec 16th 2025

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Ubuntu has published security advisories for the following products to address vulnerabilities in the Linux Kernel between December 8^th, 2025 – December 14^th, 2025. It is recommended that you take the 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
• Ubuntu 25.10

For more information on these updates, 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

• Ubuntu Security Advisory. (December 15, 2025). Retrieved from Canadian Centre for Cyber Security.
  https://www.cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av25-836
• Ubuntu Security Advisories. (n.d.). Retrieved from Ubuntu.
  https://ubuntu.com/security/notices