Ubuntu security advisory (AV26-635)
Serial number: AV26-635 Date: June 29, 2026 Between June 22 and 28, 2026, Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products: Ubuntu 20.04 LTS Ubuntu 22.04 LTS 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 Ubuntu 20.04 LTS, 22.04 LTS, and 26.04 LTS are affected.
- Urgency
- Remediation is important to mitigate potential security risks, although specific severity is unknown.
- Action
- Users should review the notices and apply the necessary updates.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Ubuntu
Get an email when a new Ubuntu advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av26-635
More from Canadian Centre for Cyber Security
- unknownBitWarden security advisory (AV26-683)2026-07-10
- criticalAL25-007 - Vulnerability impacting Roundcube Webmail – CVE-2025-49113 – Update 12026-07-10
- unknownMicrosoft Edge security advisory (AV26-682)2026-07-10
- criticalBroadcom VMware security advisory (AV26-681)2026-07-10
- unknownDjango security advisory (AV26-084) – Update 12026-07-09