CVE-2026-43499

CVE-2026-43499 — Linux Kernel Futex PI Use-After-Free Bug removewaiter in kernel/locking/rtmutex.c is used by the slowlock paths but also for proxy-lock rollback in rtmutexstartproxylock when invoked from futexrequeue. In the proxy-lock case waiter::task is not current, but removewaiter incorrect...