{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix overflow in get_free_elt()\n\n\"tracing_map->next_elt\" in get_free_elt() is at risk of overflowing.\n\nOnce it overflows, new elements can still be inserted into the tracing_map\neven though the maximum number of elements (`max_elts`) has been reached.\nContinuing to insert elements after the overflow could result in the\ntracing_map containing \"tracing_map->max_size\" elements, leaving no empty\nentries.\nIf any attempt is made to insert an element into a full tracing_map using\n`__tracing_map_insert()`, it will cause an infinite loop with preemption\ndisabled, leading to a CPU hang problem.\n\nFix this by preventing any further increments to \"tracing_map->next_elt\"\nonce it reaches \"tracing_map->max_elt\"."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/trace/tracing_map.c"
               ],
               "versions": [
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "302ceb625d7b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "d3e4dbc2858f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "eb223bf01e68",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "cd10d186a540",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "788ea62499b3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "a172c7b22bc2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "236bb4690773",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "08d43a5fa063",
                     "lessThan": "bcf86c01ca46",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/trace/tracing_map.c"
               ],
               "versions": [
                  {
                     "version": "4.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.7",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.320",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.282",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.224",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.165",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.105",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.46",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10.5",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c"
            },
            {
               "url": "https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18"
            },
            {
               "url": "https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a"
            },
            {
               "url": "https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da"
            },
            {
               "url": "https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5"
            },
            {
               "url": "https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8"
            },
            {
               "url": "https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6"
            },
            {
               "url": "https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143"
            }
         ],
         "title": "tracing: Fix overflow in get_free_elt()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-43890",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}