Linux kernel bug fix: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry
Subsystem: memory (mm/userfaultfd.c)
Bug type: missing-check, severity: high
Files changed: mm/userfaultfd.c
Introduced by Andrea Arcangeli on 2023-12-29 11:58:24 -0800; fixed by Suren Baghdasaryan on 2025-08-11 23:00:59 -0700 (lifetime: 591 days)