Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.
Affected products
linux: linux kernel; debian: debian linux
References10
- git.kernel.org/stable/c/12ad3def2e5e0b120e3d0cb6ce8b7b796819ad40 Patch
- git.kernel.org/stable/c/2ad40b7992aa26bc631afc1a995b0e3ddc30de3f Patch
- git.kernel.org/stable/c/3570ef5c31314c13274c935a20b91768ab5bf412 Patch
- git.kernel.org/stable/c/763810bb883cb4de412a72f338d80947d97df67b Patch
- git.kernel.org/stable/c/7dd36f7477d1e03a1fcf8d13531ca326c4fb599f Patch
- git.kernel.org/stable/c/7f8eca87fef7519e9c41f3258f25ebc2752247ee Patch
- git.kernel.org/stable/c/b7f7866932466332a2528fda099000b035303485 Patch
- git.kernel.org/stable/c/cb09afa0948d96b1e385d609ed044bb1aa043536 Patch
- git.kernel.org/stable/c/ef93a685e01a281b5e2a25ce4e3428cf9371a205 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00007.html Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 11 · as of 8 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.