CVE-2025-39730
Published: September 8, 2025Last modified: September 8, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.43-r0) |
References
- https://git.kernel.org/stable/c/12ad3def2e5e0b120e3d0cb6ce8b7b796819ad40
- https://git.kernel.org/stable/c/2ad40b7992aa26bc631afc1a995b0e3ddc30de3f
- https://git.kernel.org/stable/c/3570ef5c31314c13274c935a20b91768ab5bf412
- https://git.kernel.org/stable/c/763810bb883cb4de412a72f338d80947d97df67b
- https://git.kernel.org/stable/c/7dd36f7477d1e03a1fcf8d13531ca326c4fb599f
- https://git.kernel.org/stable/c/7f8eca87fef7519e9c41f3258f25ebc2752247ee
- https://git.kernel.org/stable/c/b7f7866932466332a2528fda099000b035303485
- https://git.kernel.org/stable/c/cb09afa0948d96b1e385d609ed044bb1aa043536
- https://git.kernel.org/stable/c/ef93a685e01a281b5e2a25ce4e3428cf9371a205
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html