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",
                     version: "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
                     versionType: "git",
                  },
                  {
                     lessThan: "b1b2353d768f1b80cd7fe045a70adee576b9b338",
                     status: "affected",
                     version: "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
                     versionType: "git",
                  },
                  {
                     lessThan: "5552b4fd44be3393b930434a7845d8d95a2a3c33",
                     status: "affected",
                     version: "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
                     versionType: "git",
                  },
                  {
                     lessThan: "d5807dd1328bbc86e059c5de80d1bbee9d58ca3d",
                     status: "affected",
                     version: "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58",
                     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 tamaño máximo de la tabla hash a INT_MAX Utilice INT_MAX como tamaño máximo para la tabla hash de conntrack. De lo contrario, es posible alcanzar WARN_ON_ONCE en __kvmalloc_node_noprof() al cambiar el tamaño de la tabla hash porque __GFP_NOWARN no está configurado. Consulte: 0708a0afe291 (\\\"mm: Considere el indicador __GFP_NOWARN para llamadas kvmalloc() de gran tamaño\\\") Nota: el cambio de tamaño 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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