{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: track only QoS data frames for admission control\n\nFor admission control, obviously all of that only works for\nQoS data frames, otherwise we cannot even access the QoS\nfield in the header.\n\nSyzbot reported (see below) an uninitialized value here due\nto a status of a non-QoS nullfunc packet, which isn't even\nlong enough to contain the QoS header.\n\nFix this to only do anything for QoS data packets."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/mac80211/mlme.c"
               ],
               "versions": [
                  {
                     "version": "02219b3abca5",
                     "lessThan": "69f054d6642c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "02219b3abca5",
                     "lessThan": "46b9e29db201",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "02219b3abca5",
                     "lessThan": "eed897a22230",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "02219b3abca5",
                     "lessThan": "42d08e97b196",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "02219b3abca5",
                     "lessThan": "d5e568c3a4ec",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/mac80211/mlme.c"
               ],
               "versions": [
                  {
                     "version": "3.19",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.19",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.222",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.168",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.88",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.11",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/69f054d6642c8f6173724ce17e7ee3ff66b8f682"
            },
            {
               "url": "https://git.kernel.org/stable/c/46b9e29db2012a4d2a40a26101862e002ccf387b"
            },
            {
               "url": "https://git.kernel.org/stable/c/eed897a22230e3231a740eddd7d6d95ba476625f"
            },
            {
               "url": "https://git.kernel.org/stable/c/42d08e97b196479f593499e887a9ab81446a34b9"
            },
            {
               "url": "https://git.kernel.org/stable/c/d5e568c3a4ec2ddd23e7dc5ad5b0c64e4f22981a"
            }
         ],
         "title": "mac80211: track only QoS data frames for admission control",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47602",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
