CVE-2026-23409

The CVE-2026-23409 issue is in the Linux kernel AppArmor differential encoding verification. It describes two bugs: (1) mixing states that have already been verified with those currently being checked, which can cause loops in the current chain to be treated as verified, and (2) an incorrect bail...

CVE-2026-23409

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix differential encoding verification Differential encoding allows loops to be created if it is abused. To prevent this the unpack should verify that a diff-encode chain terminates. Unfortunately the differential encod...