Ubuntu security advisory (AV26-717)
Serial number: AV26-717 Date: July 20, 2026 Between July 13 and 19, 2026, Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products: Ubuntu 14.04 LTS Ubuntu 16.04 LTS Ubuntu 20.04 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. Ubuntu Security Notices
CSIRTS triage
- What
- Ubuntu published security notices to address vulnerabilities in the Linux kernel.
- Who is affected
- Users and administrators of Ubuntu 14.04 LTS, 16.04 LTS, 20.04 LTS, 24.04 LTS, and 25.10.
- Urgency
- Remediation is encouraged but the severity is unknown and there is no indication of exploitation.
- Action
- Users should review the provided web link and apply the necessary updates.
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Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av26-717
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