CVE-2025-38430
CRITICAL severity · CVSS 9.8
9.8CVSS CRITICAL
Summary
In the Linux kernel, the following vulnerability has been resolved: nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request If the request being processed is not a v4 compound request, then examining the cstate can have undefined results. This patch adds a check that the rpc procedure being executed (rq_procinfo) is the NFSPROC4_COMPOUND procedure.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/1244f0b2c3cecd3f349a877006e67c9492b41807 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/1244f0b2c3cecd3f349a877006e67c9492b41807Patch
- https://git.kernel.org/stable/c/2c54bd5a380ebf646fb9efbc4ae782ff3a83a5afPatch
- https://git.kernel.org/stable/c/425efc6b3292a3c79bfee4a1661cf043dcd9cf2fPatch
- https://git.kernel.org/stable/c/64a723b0281ecaa59d31aad73ef8e408a84cb603Patch
- https://git.kernel.org/stable/c/7a75a956692aa64211a9e95781af1ec461642de4Patch
- https://git.kernel.org/stable/c/b1d0323a09a29f81572c7391e0d80d78724729c9Patch
- https://git.kernel.org/stable/c/bf78a2706ce975981eb5167f2d3b609eb5d24c19Patch
- https://git.kernel.org/stable/c/e7e943ddd1c6731812357a28e7954ade3a7d8517Patch