CVE-2026-47336: Canonical Ubuntu Linux

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.

Affected products

• Canonical Ubuntu Linux: version 6.8 only

Published 2026-05-28. Last modified 2026-06-17.