CVE-2026-98865 sched_ext: Don't run ops.dequeue() with a DSQ lock held

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't run ops.dequeue with a DSQ lock held ops.dequeue is invoked with the source user DSQ's lock still held on the consume and move paths scxconsumedispatchq, movetaskbetweendsqs. A BPF scheduler which locks the source...

CVE-2026-98865

The Linux kernel contains a vulnerability in the sched_ext component where ops.dequeue() is incorrectly invoked while the source user DSQ lock is still held during the consume and move paths (specifically in scx_consume_dispatch_q() and move_task_between_dsqs()). This flaw can cause a self-deadlo...

CVE-2026-98865

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't run ops.dequeue with a DSQ lock held ops.dequeue is invoked with the source user DSQ's lock still held on the consume and move paths scxconsumedispatchq, movetaskbetweendsqs. A BPF scheduler which locks the source...

CVE-2026-98865 sched_ext: Don't run ops.dequeue() with a DSQ lock held

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't run ops.dequeue with a DSQ lock held ops.dequeue is invoked with the source user DSQ's lock still held on the consume and move paths scxconsumedispatchq, movetaskbetweendsqs. A BPF scheduler which locks the source...

PT-2026-117084

In the Linux kernel, the following vulnerability has been resolved: sched ext: Don't run ops.dequeue with a DSQ lock held ops.dequeue is invoked with the source user DSQ's lock still held on the consume and move paths scx consume dispatch q, move task between dsqs. A BPF scheduler which locks the...

PT-2026-117083

In the Linux kernel, the following vulnerability has been resolved: sched ext: Wait for SCX OPSS DISPATCHING before reenqueueing a task ebf1ccff79c4 "sched ext: Fix ops.dequeue semantics" moved the final ops state store in scx dispatch enqueue after the DSQ unlock so that the custody update and...

PT-2026-69495

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sched ext component where dispatch to local dsq can be executed from scx bpf dsq move to local while ops.dispatch has recorded the current runqueue rq. Moving a ta...