CVE-2026-99256

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix issue with background work locking dm cache used a rwsemaphore for backgroundworklock. Write locks on rwsemaphores have strict owner semantics, but there was no guarantee that the process that locked...

CVE-2026-99256

The Linux kernel contains a locking issue within the dm cache component involving the background_work_lock. The system incorrectly used an rw_semaphore, which enforces strict owner semantics; however, there was no guarantee that the process unlocking the semaphore was the same as the one that loc...

EUVD-2026-115767

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix issue with background work locking dm cache used a rwsemaphore for backgroundworklock. Write locks on rwsemaphores have strict owner semantics, but there was no guarantee that the process that locked...

CVE-2026-99256 dm cache: fix issue with background work locking

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix issue with background work locking dm cache used a rwsemaphore for backgroundworklock. Write locks on rwsemaphores have strict owner semantics, but there was no guarantee that the process that locked...