{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: Avoid WARN_ON timing related checks\n\nThe soft/batadv interface for a queued OGM can be changed during the time\nthe OGM was queued for transmission and when the OGM is actually\ntransmitted by the worker.\n\nBut WARN_ON must be used to denote kernel bugs and not to print simple\nwarnings. A warning can simply be printed using pr_warn."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/batman-adv/bat_iv_ogm.c"
               ],
               "versions": [
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "45011f2973f6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "6031daaaf6d5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "77a99aad5bc3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "e8e9d2968a9d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "e7fbd8184fa9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "282baa8104af",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "2eb4e0b36318",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ef0a937f7a14",
                     "lessThan": "9f460ae31c44",
                     "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/batman-adv/bat_iv_ogm.c"
               ],
               "versions": [
                  {
                     "version": "3.14",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.14",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.4.293",
                     "lessThanOrEqual": "4.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.274",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.238",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.196",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.128",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.46",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.13",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/45011f2973f6b52cf50db397bb27bf805f5f0e7f"
            },
            {
               "url": "https://git.kernel.org/stable/c/6031daaaf6d5c359c99dfffa102e332df234ff09"
            },
            {
               "url": "https://git.kernel.org/stable/c/77a99aad5bc3ea105806ebae6be3cbadc2fc615e"
            },
            {
               "url": "https://git.kernel.org/stable/c/e8e9d2968a9d08bf5c683afca182f1537edebf8d"
            },
            {
               "url": "https://git.kernel.org/stable/c/e7fbd8184fa9e85f0d648c499841cb7ff6dec9f4"
            },
            {
               "url": "https://git.kernel.org/stable/c/282baa8104af44e04c4af3e7f933b44267c7f86f"
            },
            {
               "url": "https://git.kernel.org/stable/c/2eb4e0b3631832a4291c8bf4c9db873f60b128c8"
            },
            {
               "url": "https://git.kernel.org/stable/c/9f460ae31c4435fd022c443a6029352217a16ac1"
            }
         ],
         "title": "batman-adv: Avoid WARN_ON timing related checks",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47252",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}