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THREATINT
PUBLISHED

CVE-2025-38201

netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX



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")

Reserved 2025-04-16 | Published 2025-07-04 | Updated 2025-07-04 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0ab3de047808f375a36cd345225572eb3366f3c6
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d2768016f091f8a5264076b433fd7c3fabb6eb97
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before b85e3367a5716ed3662a4fe266525190d2af76df
affected

Default status
affected

6.12.35
unaffected

6.15.4
unaffected

6.16-rc1
unaffected

References

git.kernel.org/...c/0ab3de047808f375a36cd345225572eb3366f3c6

git.kernel.org/...c/d2768016f091f8a5264076b433fd7c3fabb6eb97

git.kernel.org/...c/b85e3367a5716ed3662a4fe266525190d2af76df

cve.org (CVE-2025-38201)

nvd.nist.gov (CVE-2025-38201)

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