CVE-2026-53163

CVE-2026-53163 affects the Linux kernel rtmutex/futex path. The issue arises when task_blocks_on_rt_mutex() fails to arm the waiter on deadlock detection, leaving waiter->task nil, and the code path can reach remove_waiter() via rt_mutex_start_proxy_lock(). The root cause is tied to how the wa...

CVE-2026-53166

The CVE-2026-53166 issue is in the Linux kernel futex requeue path. When FUTEX_CMP_REQUEUE_PI requeues a non-top waiter that already owns the target PI futex, task_blocks_on_rt_mutex() can return -EDEADLK before setting waiter->task, and remove_waiter() in rt_mutex_start_proxy_lock() may deref...