CVE-2025-40087
Published: October 31, 2025Last modified: June 24, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: NFSD: Define a proc_layoutcommit for the FlexFiles layout type Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layout.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.158-r0) |
| 25 LTS | linux-lts | Fixed (6.12.57-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/34d187e020cbda112a6c6f094f0ca5e6a8672b75
- https://git.kernel.org/stable/c/4b47a8601b71ad98833b447d465592d847b4dc77
- https://git.kernel.org/stable/c/785ec512afa80d0540f2ca797c0e56de747a6083
- https://git.kernel.org/stable/c/a156af6a4dc38c2aa7c98e89520a70fb3b3e7df4
- https://git.kernel.org/stable/c/a75994dd879401c3e24ff51c2536559f1a53ea27
- https://git.kernel.org/stable/c/ba88a53d7f5df4191583abf214214efe0cda91d2
- https://git.kernel.org/stable/c/da9129ef77786839a3ccd1d7afeeab790bceaa1d
- https://git.kernel.org/stable/c/f7353208c91ab004e0179c5fb6c365b0f132f9f0