CVE-2025-38201

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")

CVSS 3.1

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

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-25)

Published

2025-07-04

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6
• https://git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147
• https://git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009
• https://git.kernel.org/stable/c/80417057ac60dd80f4816eb426e4e4a5bf696534
• https://git.kernel.org/stable/c/b85e3367a5716ed3662a4fe266525190d2af76df

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