CVE-2025-38430
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-25

Last updated on: 2025-11-03

Assigner: kernel.org

Description
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.
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Meta Information
Published
2025-07-25
Last Modified
2025-11-03
Generated
2026-05-07
AI Q&A
2025-07-25
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38430
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's NFS server (nfsd) involves the function nfsd4_spo_must_allow() not properly verifying that the request being processed is a version 4 compound request. If the request is not a v4 compound request, examining the cstate can lead to undefined behavior. The patch fixes this by adding a check to ensure the RPC procedure executed is the NFSPROC4_COMPOUND procedure.


How can this vulnerability impact me? :

If exploited, this vulnerability could cause undefined behavior in the NFS server when processing certain requests, potentially leading to instability or unexpected behavior in the Linux kernel's NFS service. However, specific impacts such as data loss, privilege escalation, or denial of service are not detailed in the provided information.


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