cve-2025-21648
Vulnerability from cvelistv5
Published
2025-01-19 10:18
Modified
2025-02-02 10:16
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: clamp maximum hashtable size to INT_MAX Use INT_MAX as maximum size for the conntrack hashtable. Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset. See: 0708a0afe291 ("mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls") Note: hashtable resize is only possible from init_netns.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa
Impacted products
Vendor Product Version
Linux Linux Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
Version: 9cc1c73ad66610bffc80b691136ffc1e9a3b1a58
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   Linux Linux Version: 4.7
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_conntrack_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a965f7f0ea3ae61b9165bed619d5d6da02c75f80",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "b1b2353d768f1b80cd7fe045a70adee576b9b338",
              "status": "affected",
              "version": "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
              "versionType": "git"
            },
            {
              "lessThan": "5552b4fd44be3393b930434a7845d8d95a2a3c33",
              "status": "affected",
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              "versionType": "git"
            },
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              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "f559357d035877b9d0dcd273e0ff83e18e1d46aa",
              "status": "affected",
              "version": "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
              "versionType": "git"
            },
            {
              "lessThan": "b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13",
              "status": "affected",
              "version": "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_conntrack_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.7"
            },
            {
              "lessThan": "4.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.234",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.177",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.125",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.72",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: clamp maximum hashtable size to INT_MAX\n\nUse INT_MAX as maximum size for the conntrack hashtable. Otherwise, it\nis possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when\nresizing hashtable because __GFP_NOWARN is unset. See:\n\n  0708a0afe291 (\"mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls\")\n\nNote: hashtable resize is only possible from init_netns."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-02T10:16:08.356Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80"
        },
        {
          "url": "https://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338"
        },
        {
          "url": "https://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33"
        },
        {
          "url": "https://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13"
        }
      ],
      "title": "netfilter: conntrack: clamp maximum hashtable size to INT_MAX",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21648",
    "datePublished": "2025-01-19T10:18:05.700Z",
    "dateReserved": "2024-12-29T08:45:45.728Z",
    "dateUpdated": "2025-02-02T10:16:08.356Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21648\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-01-19T11:15:10.410\",\"lastModified\":\"2025-02-02T11:15:15.433\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: conntrack: clamp maximum hashtable size to INT_MAX\\n\\nUse INT_MAX as maximum size for the conntrack hashtable. Otherwise, it\\nis possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when\\nresizing hashtable because __GFP_NOWARN is unset. See:\\n\\n  0708a0afe291 (\\\"mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls\\\")\\n\\nNote: hashtable resize is only possible from init_netns.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: conntrack: fijar el tama\u00f1o m\u00e1ximo de la tabla hash a INT_MAX Utilice INT_MAX como tama\u00f1o m\u00e1ximo para la tabla hash de conntrack. De lo contrario, es posible alcanzar WARN_ON_ONCE en __kvmalloc_node_noprof() al cambiar el tama\u00f1o de la tabla hash porque __GFP_NOWARN no est\u00e1 configurado. Consulte: 0708a0afe291 (\\\"mm: Considere el indicador __GFP_NOWARN para llamadas kvmalloc() de gran tama\u00f1o\\\") Nota: el cambio de tama\u00f1o de la tabla hash solo es posible desde init_netns.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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