CVE-2026-89517 sched_ext: Fix rq->core_pick corruption under core scheduling

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix rq-corepick corruption under core scheduling Core scheduling's picknexttask picks what to run on every SMT sibling of the core in a single pass under the shared core-wide rq lock. The selection state is consistent...

CVE-2026-89521: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sched/core: Handle picktask releasing the rq lock Core scheduling's picknexttask breaks when a -picktask implementation can release the rq lock. The selection state derived on entry is only valid while the lock is held...

PT-2026-90237

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in core scheduling where the pick next task function fails when a pick task implementation releases the rq lock. The selection state established at the start is only vali...

PT-2026-90236

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the core scheduling mechanism where the pick next task function operates on sibling runqueues under a shared core-wide lock. If pick task releases the runqueue...

CVE-2024-58042: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: rhashtable: Fix potential deadlock by moving schedulework outside lock Move the hash table growth check and work scheduling outside the rht lock to prevent a possible circular locking dependency. The original implementation could...

SUSE CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

DEBIAN-CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

PT-2025-4338

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the sched ext component in the Linux kernel, where the function scx ops bypass iterates over all CPUs to re-enqueue scx tasks. It acquires a lock using rq lock...

PT-2025-2763

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.74 Description: A possible deadlock scenario can occur when the dma debug API is called while holding rq lock. This happens because radix lock is held while holding dma hash entryidx.lock. The situation can...

CVE-2024-42245

In the Linux kernel, the following vulnerability has been resolved: Revert "sched/fair: Make sure to try to detach at least one movable task" This reverts commit b0defa7ae03ecf91b8bfd10ede430cff12fcbd06. b0defa7ae03ec changed the load balancing logic to ignore env.maxloop if all tasks examined to...