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9.8 Critical

CVE-2025-38430 In the Linux kernel, the following vulnerability has been resolved: nfsd: nfsd4_spo_must_allow() must check this is a v4…

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 products and versions

Product Affected versions Fixed in
Linux 6.16 earliest → < 6.16 6.16
Linux 6.15 earliest → < 6.15.4 6.15.4
Linux 6.12 earliest → < 6.12.35 6.12.35
Linux 6.6 earliest → < 6.6.95 6.6.95
Linux 6.1 earliest → < 6.1.142 6.1.142
Linux 5.15 earliest → < 5.15.186 5.15.186
Linux 5.10 earliest → < 5.10.239 5.10.239
Linux 5.4 earliest → < 5.4.295 5.4.295
Linux 4.8 No fix stated
Show the 3 other branches
Product Affected versions Fixed in
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated

References

Timeline

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