
Ubuntu has released USN-8497-1 to patch multiple Linux kernel (Low Latency) vulnerabilities, including local privilege escalation, possible container escape, information disclosure, and AppArmor-related memory safety issues.
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Ubuntu has released USN-8497-1 to patch multiple Linux kernel (Low Latency) vulnerabilities, including local privilege escalation, possible container escape, information disclosure, and AppArmor-related memory safety issues.

Ubuntu has released USN-8499-1 to address multiple Linux kernel (Xilinx) vulnerabilities, including local privilege escalation, possible container escape, information disclosure, denial-of-service, and AppArmor-related memory safety issues.

Ubuntu refreshed CVE-2026-23407 on May 23, 2026 and describes another AppArmor bounds-check weakness, this time around DEFAULT table handling in verify_dfa. This alert explains why repeated parser issues deserve architectural attention, not just patching.

Ubuntu updated CVE-2026-23269 on May 23, 2026 after describing an AppArmor out-of-bounds read during policy unpacking. This alert focuses on why security-policy parsing flaws matter even when they look more internal than public-facing.