CVE-2026-46242

Summary (CVE-2026-46242) : The Linux kernel contains a fix for a UAF in eventpoll related to ep_remove. The bug arose when ep_remove_file() cleared file->f_ep under file->f_lock but continued using @file inside the critical section, allowing a concurrent path to reach freed memory via f_op-...

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-2026-53265

The CVE-2026-53265 entry describes a Linux kernel race in the dm-cache policy SMQ path. A check-then-act race occurs in smq_invalidate_mapping where an e->allocated check was left outside the mq->lock after the destructive section was serialized; two concurrent invalidators can observe allo...