SB2025103130 - Resource management error in Linux kernel nfsd
Published: October 31, 2025
Security Bulletin ID
SB2025103130
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2025-40087)
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 website.
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