CVE-2025-40087
Published Oct 30, 2025
Modified Apr 15, 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.
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References
Other 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
Frequently Asked Questions
What is CVE-2025-40087? +
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.
How do I check if I'm vulnerable to CVE-2025-40087? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.