Resource management error in Linux kernel - CVE-2025-40087
Published: October 31, 2025
Vulnerability identifier: #VU117862
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40087
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the nfsd4_ff_proc_getdeviceinfo() function in fs/nfsd/flexfilelayout.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- 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