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netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX

Type: advisorySources: OSV

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")

Products
Kernel
Affected versions
Not specified
Fixed versions
5.10.250, 5.15.200, 6.1.163, 6.12.35, 6.15.4, 6.6.124
CVEs
CVE-2025-38201
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 16:19 UTC · Revision 1

Source evidence

netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX

core-osv · Original source

Published 4 Jul 2025, 13:37 UTC

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")

osv:CVE-2025-38201

Kernel

Fixed versions: 5.10.250, 5.15.200, 6.1.163, 6.6.124, 6.12.35, 6.15.4

Complete source record
{
  "id": "20dcb955308eba23c169cb4f85c4e1d09c47da6b9d17b9519c39b6c815798a04",
  "url": "https://osv.dev/vulnerability/CVE-2025-38201",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX",
    "summary": "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\")",
    "evidence": "osv:CVE-2025-38201",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.250",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.200",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.163",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.124",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.35",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38201",
      "aliases": [
        "CVE-2025-38201"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3c4287f62044a90e73a561aa05fc46e62da173da"
                },
                {
                  "fixed": "1fe27f97944017a9d3c5af4d6d95282bff0f1147"
                },
                {
                  "fixed": "4abccfb61f422300be014b8e734c63344306f009"
                },
                {
                  "fixed": "80417057ac60dd80f4816eb426e4e4a5bf696534"
                },
                {
                  "fixed": "df524a68d9021c1401965d610bb6e42ee5d9611e"
                },
                {
                  "fixed": "0ab3de047808f375a36cd345225572eb3366f3c6"
                },
                {
                  "fixed": "d2768016f091f8a5264076b433fd7c3fabb6eb97"
                },
                {
                  "fixed": "b85e3367a5716ed3662a4fe266525190d2af76df"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38201.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.6.0"
                },
                {
                  "fixed": "5.10.250"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.200"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.163"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.124"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.35"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.15.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38201.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:20.767134935Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
        "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",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38201.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38201",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38201.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38201",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 487033,
  "published_at": "2025-07-04T13:37:22.732+00:00"
}