# CVE-2025-38201

## Summary

- **CVE ID:** CVE-2025-38201
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Jul 4, 2025
- **Last Modified:** Sep 8, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX

Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof()
when resizing hashtable because __GFP_NOWARN is unset.

Similar to:

  b541ba7d1f5a ("netfilter: conntrack: clamp maximum hashtable size to INT_MAX")

## Affected Products

- Linux — Linux (3c4287f62044a90e73a561aa05fc46e62da173da)
- Linux — Linux (5.6)
- Linux — Linux (0)
- Linux — Linux (5.10.250)
- Linux — Linux (5.15.200)
- Linux — Linux (6.1.163)
- Linux — Linux (6.6.124)
- Linux — Linux (6.12.35)
- Linux — Linux (6.15.4)
- Linux — Linux (6.16)

## References

- [CNA](https://git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147)
- [CNA](https://git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009)
- [CNA](https://git.kernel.org/stable/c/80417057ac60dd80f4816eb426e4e4a5bf696534)
- [CNA](https://git.kernel.org/stable/c/df524a68d9021c1401965d610bb6e42ee5d9611e)
- [CNA](https://git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6)
- [CNA](https://git.kernel.org/stable/c/d2768016f091f8a5264076b433fd7c3fabb6eb97)
- [CNA](https://git.kernel.org/stable/c/b85e3367a5716ed3662a4fe266525190d2af76df)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-082556.html)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-019113.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._