Vulnerability details
CVE-2025-38430
Linux LinuxSiemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFPSiemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPSiemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVSS 3.1
9.8Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 4.8 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < b1d0323a09a29f81572c7391e0d80d78724729c9 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < 425efc6b3292a3c79bfee4a1661cf043dcd9cf2f | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < 64a723b0281ecaa59d31aad73ef8e408a84cb603 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < e7e943ddd1c6731812357a28e7954ade3a7d8517 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < 7a75a956692aa64211a9e95781af1ec461642de4 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < 2c54bd5a380ebf646fb9efbc4ae782ff3a83a5af | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < 1244f0b2c3cecd3f349a877006e67c9492b41807 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | ed94164398c935a42be7b129a478eb19c598b68a ≤ v < bf78a2706ce975981eb5167f2d3b609eb5d24c19 | CVEProject cvelistV5 (CNA) |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | V3.1.5 ≤ v | CVEProject cvelistV5 (CNA) |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | V3.1.5 ≤ v | CVEProject cvelistV5 (CNA) |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | V3.1.5 ≤ v | CVEProject cvelistV5 (CNA) |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | V3.1.5 ≤ v | CVEProject cvelistV5 (CNA) |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | V3.1.5 ≤ v | CVEProject cvelistV5 (CNA) |
References and advisories
11- https://git.kernel.org/stable/c/bf78a2706ce975981eb5167f2d3b609eb5d24c19
- https://git.kernel.org/stable/c/b1d0323a09a29f81572c7391e0d80d78724729c9
- https://git.kernel.org/stable/c/425efc6b3292a3c79bfee4a1661cf043dcd9cf2f
- https://git.kernel.org/stable/c/64a723b0281ecaa59d31aad73ef8e408a84cb603
- https://git.kernel.org/stable/c/e7e943ddd1c6731812357a28e7954ade3a7d8517
- https://git.kernel.org/stable/c/7a75a956692aa64211a9e95781af1ec461642de4
- https://git.kernel.org/stable/c/2c54bd5a380ebf646fb9efbc4ae782ff3a83a5af
- https://git.kernel.org/stable/c/1244f0b2c3cecd3f349a877006e67c9492b41807
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
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Details
- Published
- 2025-07-25
- Last updated
- 2026-10-16
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.59%
Probability of exploitation in 30 days
48.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- —