CVE-2025-38430
nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/1244f0b2c3cecd3f349a877006e67c9492b41807
- https://git.kernel.org/stable/c/2c54bd5a380ebf646fb9efbc4ae782ff3a83a5af
- https://git.kernel.org/stable/c/425efc6b3292a3c79bfee4a1661cf043dcd9cf2f
- https://git.kernel.org/stable/c/64a723b0281ecaa59d31aad73ef8e408a84cb603
- https://git.kernel.org/stable/c/7a75a956692aa64211a9e95781af1ec461642de4
References (11)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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