CVE-2025-38201

HighCVSS 7.8/10Last modified Nov 10, 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")

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
LinuxLinux>= 3c4287f62044a90e73a561aa05fc46e62da173da, < 1fe27f97944017a9d3c5af4d6d95282bff0f1147; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < 4abccfb61f422300be014b8e734c63344306f009; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < 80417057ac60dd80f4816eb426e4e4a5bf696534; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < df524a68d9021c1401965d610bb6e42ee5d9611e; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < 0ab3de047808f375a36cd345225572eb3366f3c6; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < d2768016f091f8a5264076b433fd7c3fabb6eb97; >= 3c4287f62044a90e73a561aa05fc46e62da173da, < b85e3367a5716ed3662a4fe266525190d2af76df
LinuxLinux5.6
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.7, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.6, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.5, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.7, < *

References

Timeline

Published
Jul 4, 2025
Last modified
Nov 10, 2026
NVD status
Modified

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CVE-2025-38201: High severity, CVSS 7.8 | Vulnix