Linux kernel bug fix: mm/userfaultfd: do not access vma->vm_mm after calling handle_userfault()
Subsystem: memory (mm/huge_memory.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free
Files changed: mm/huge_memory.c
Introduced by Andrea Arcangeli on 2015-09-04 16:54:41 -0700; fixed by Gerald Schaefer on 2020-11-22 10:48:22 -0800 (lifetime: 1905 days)