kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration

A flaw was found in the Linux kernel. A local attacker could exploit a deadlock vulnerability due to incorrect lock ordering between foliolock and immaprwsem when migrating hugetlb file-backed folios. This could lead to hung tasks and potential system-wide stalls, resulting in a Denial of Service...

CVE-2023-53129

REJECTED CVE In the Linux kernel, the following vulnerability has been resolved: ext4: Fix deadlock during directory rename As lockdep properly warns, we should not be locking irwsem while having transactions started as the proper lock ordering used by all directory handling operations is irwsem ...