CVE-2025-38201
Published: July 5, 2025Last modified: February 20, 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")
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.163-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
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
- https://git.kernel.org/stable/c/d2768016f091f8a5264076b433fd7c3fabb6eb97
- https://git.kernel.org/stable/c/df524a68d9021c1401965d610bb6e42ee5d9611e