Ubuntu security advisory (AV26-686)
Serial number: AV26-686 Date: July 13, 2026 Between July 6 and 12, 2026, Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products: Ubuntu 18.04 LTS Ubuntu 22.04 LTS Ubuntu 24.04 LTS Ubuntu 25.10 Ubuntu 26.04 LTS 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 of the specified Ubuntu versions.
- Urgency
- Remediation is necessary to maintain system security.
- Action
- Apply the necessary updates as per the security notices.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av26-686
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