Canonical speeds up Ubuntu kernel security updates due to AI-driven CVE surge

Canonical is moving to a unified two-week stable release update cycle for Ubuntu kernel updates starting September 28, 2026, replacing its 4/2 schedule. The company cites an explosion in vulnerabilities found with AI tools. Workarounds for critical flaws are promised within 24–48 hours of disclosure.

• New cadence: one week for patches and builds, one for certification and release
• The old 4/2 schedule (4-week regular, 2-week security) is retired
• Workarounds for critical CVEs promised within 24–48 hours
• Optional -proposed pocket offers early fixes at user's own risk