Linux kernel bug fix: do_umount(): add missing barrier before refcount checks in sync case
Subsystem: filesystem (fs/namespace.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free
Files changed: fs/namespace.c
Introduced by Al Viro on 2013-11-09 00:16:19 -0500; fixed by Al Viro on 2025-05-09 18:05:55 -0400 (lifetime: 4199 days)