CVE-2025-38201
High
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")
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 4, 2025
First seenJul 4, 2025
How to fix
Update
- linux linux_kernel6.12.35, 6.15.4 or later
Patches
- git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6
- git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147
- git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009
- git.kernel.org/stable/c/80417057ac60dd80f4816eb426e4e4a5bf696534
- git.kernel.org/stable/c/b85e3367a5716ed3662a4fe266525190d2af76df
- git.kernel.org/stable/c/d2768016f091f8a5264076b433fd7c3fabb6eb97
- git.kernel.org/stable/c/df524a68d9021c1401965d610bb6e42ee5d9611e
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.6 ≤ v < 6.12.35, 6.13 ≤ v < 6.15.4 | 6.12.35, 6.15.4 |
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