{"id":"CVE-2026-99269","published":"2026-11-03T12:17:34.117","lastModified":"2026-11-03T20:18:32.627","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched_ext: Wait for SCX_OPSS_DISPATCHING before moving tasks off DSQs\n\nA task can be found on a non-local DSQ while the CPU which dispatched it\nis still running ops.dequeue() and hasn't cleared SCX_OPSS_DISPATCHING.\nThe DSQ consume and move paths don't wait for the dispatch to finish and\ncan operate on the task concurrently with the dispatcher.\n\nCall scx_wait_dispatching() in scx_move_local_task_to_local_dsq(),\nunlink_dsq_and_switch_rq_lock() and move_task_between_dsqs() before they\noperate on the task. In scx_move_local_task_to_local_dsq(), wait before\nscx_resolve_local_dsq() as it may update p->scx.flags.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/2935062be77113c1c4565ca9d0c72180449aafee","tags":[]},{"url":"https://git.kernel.org/stable/c/cc2839946328c1618b3870d521b32bb9483d49d0","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}