EUVD-2026-103804

In the Linux kernel, the following vulnerability has been resolved: schedext: Wait for SCXOPSSDISPATCHING before reenqueueing a task ebf1ccff79c4 "schedext: Fix ops.dequeue semantics" moved the final opsstate store in scxdispatchenqueue after the DSQ unlock so that the custody update and...

CVE-2026-98864 sched_ext: Wait for SCX_OPSS_DISPATCHING before reenqueueing a task

In the Linux kernel, the following vulnerability has been resolved: schedext: Wait for SCXOPSSDISPATCHING before reenqueueing a task ebf1ccff79c4 "schedext: Fix ops.dequeue semantics" moved the final opsstate store in scxdispatchenqueue after the DSQ unlock so that the custody update and...

CVE-2026-98864

The Linux kernel contains a vulnerability in sched_ext where a task can be found on a DSQ while still in the SCX_OPSS_DISPATCHING state. This occurs because reenqueue paths do not wait for the state to clear in ops_dequeue(), unlike the dequeue and core-sched pick paths. If a reenqueue occurs in ...