In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up The issue was caused by dput(upper) being called before o…
High CVSS 7.8
Summary
In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up The issue was caused by dput(upper) being called before ovl_dentry_update_reval(), while upper->d_flags was still accessed in ovl_dentry_remote(). Move dput(upper) after its last use to prevent use-after-free. BUG: KASAN: slab-use-after-free in ovl_dentry_remote fs/overlayfs/util.c:162 [inline] BUG: KASAN: slab-use-after-free in ovl_dentry_update_reval+…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/3594aad97e7be2557ca9fa9c931b206b604028c8 Patch
- https://git.kernel.org/stable/c/4b49d939b5a79117f939b77cc67efae2694d9799 Patch
- https://git.kernel.org/stable/c/60b4b5c1277fc491da9e1e7abab307bfa39c2db7 Patch
- https://git.kernel.org/stable/c/64455c8051c3aedc71abb7ec8d47c80301f99f00 Patch
- https://git.kernel.org/stable/c/a7c41830ffcd17b2177a95a9b99b270302090c35 Patch
- https://git.kernel.org/stable/c/c84e125fff2615b4d9c259e762596134eddd2f27 Patch
- https://git.kernel.org/stable/c/f77618291836168eca99e89cd175256f928f5e64
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
Timeline
- nvd_ingest NVD