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...

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...