CVE-2025-40087 Details
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.
A vulnerability in the Linux kernel's handling of the FlexFiles layout type can lead to a crash. This issue arises in the Network File System (NFS) server (NFSD) when a pNFS client sends a LAYOUTCOMMIT operation on a FlexFiles layout, which the server is not properly equipped to handle. The vulnerability is present in the Linux kernel stable tree.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been addressed. Instructions for downloading the patched version are available on the Linux Kernel Archive.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 30, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/34d187e020cbda112a6c6f094f0ca5e6a8672b75 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/4b47a8601b71ad98833b447d465592d847b4dc77 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/785ec512afa80d0540f2ca797c0e56de747a6083 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/a156af6a4dc38c2aa7c98e89520a70fb3b3e7df4 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/a75994dd879401c3e24ff51c2536559f1a53ea27 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/ba88a53d7f5df4191583abf214214efe0cda91d2 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/da9129ef77786839a3ccd1d7afeeab790bceaa1d | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/f7353208c91ab004e0179c5fb6c365b0f132f9f0 | kernel.org | Source CodeVendor |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
| Product | Versions |
|---|---|
| Linux kernel | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 30, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | kernel.org |
| Oct 30, 2025 | New CVE Received | kernel.org |