Why Dirty Frag Couldn't Touch Workloads Under a Tailored AppArmor Profile Either
Dirty Frag is a universal Linux kernel LPE that chains two CVEs, CVE-2026-43284 and CVE-2026-43500, explicitly designed to bypass the Copy Fail mitigation. For workloads running under a behavior-generated AppArmor profile, neither variant's required surface was ever in the allow list. Here's why, and how to confirm your exposure in seconds.