CVE-2026-64563 rhashtable: clear stale iter->p on table restart

In the Linux kernel, the following vulnerability has been resolved: rhashtable: clear stale iter-p on table restart rhashtablewalkstartcheck has two restart paths when resuming a walk. When iter-walker.tbl is valid, it re-validates iter-p against the table and sets iter-p = NULL if the object is...

PT-2026-67670

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel during rhashtable walks. The function rhashtable walk start check contains two restart paths for resuming a walk; when iter-walker.tbl i...