CVE-2025-38201
netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
04 Jul 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6https://git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147https://git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009https://git.kernel.org/stable/c/80417057ac60dd80f4816eb426e4e4a5bf696534https://git.kernel.org/stable/c/b85e3367a5716ed3662a4fe266525190d2af76dfhttps://git.kernel.org/stable/c/d2768016f091f8a5264076b433fd7c3fabb6eb97https://git.kernel.org/stable/c/df524a68d9021c1401965d610bb6e42ee5d9611e