Linux kernel bug fix: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up
Subsystem: fs/overlayfs (fs/overlayfs/copy_up.c)
Bug type: use-after-free, severity: high
Keywords: use after free;UAF
Files changed: fs/overlayfs/copy_up.c
Introduced by Amir Goldstein on 2023-06-19 14:01:12 +0300; fixed by Vasiliy Kovalev on 2025-02-19 18:06:53 +0100 (lifetime: 611 days)