CVE-2026-45848

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A NULL pointer dereference exists in the AppArmor module. Specifically, the aa sock file perm() function does not properly handle cases where sock and sock-sk can be NULL during socket setup or teardown, which may lead to a system oops (a kernel panic or crash). This issue is particularly relevant for af unix sockets when using older mediation paths or other socket types.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.