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CVE-2025-38201

netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX

Published: 7/4/2025 Last updated: 5/11/2026 Reserved: 4/16/2025

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")

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product Vendor Version
Linux Linux n/a
Linux Linux Earlier than EVA-L09C25B150CUSTC25D003 versions,Earlier than EVA-L09C440B140 versions,Earlier than EVA-L09C464B361 versions,Earlier than EVA-L09C675B320CUSTC675D004 versions
Linux Linux 15.1(1)T2
Linux Linux 15.1(2)T2

References (14)