CVE-2026-46274 io-wq: check that the predecessor is hashed in io_wq_remove_pending()

In the Linux kernel, the following vulnerability has been resolved: io-wq: check that the predecessor is hashed in iowqremovepending iowqremovepending needs to fix up wq-hashtail if the cancelled work was the tail of its hash bucket. When doing this, it checks whether the preceding entry in...

PT-2026-47326

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.12-1.1 Description A flaw exists in the io wq remove pending function where it fails to verify if a predecessor entry is hashed when updating the wq-hash tail array. When a hashed bucket-0 work item is...