{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios\n\ninit_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems\nwhere the Dell WMI interface is supported. While exit_dell_smbios_wmi()\nunregisters it unconditionally, this leads to the following oops:\n\n[  175.722921] ------------[ cut here ]------------\n[  175.722925] Unexpected driver unregister!\n[  175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 driver_unregister+0x38/0x40\n...\n[  175.723089] Call Trace:\n[  175.723094]  cleanup_module+0x5/0xedd [dell_smbios]\n...\n[  175.723148] ---[ end trace 064c34e1ad49509d ]---\n\nMake the unregister happen on the same condition the register happens\nto fix this."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/platform/x86/dell/dell-smbios-wmi.c"
               ],
               "versions": [
                  {
                     "version": "1a258e670434",
                     "lessThan": "75cfc833da4a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1a258e670434",
                     "lessThan": "6fa78a6b9a3b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1a258e670434",
                     "lessThan": "0cf036a0d325",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1a258e670434",
                     "lessThan": "8d746ea7c687",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1a258e670434",
                     "lessThan": "3a53587423d2",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/platform/x86/dell/dell-smbios-wmi.c"
               ],
               "versions": [
                  {
                     "version": "4.15",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.15",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.192",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.122",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.40",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.7",
                     "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/75cfc833da4a2111106d4c134e93e0c7f41e35e7"
            },
            {
               "url": "https://git.kernel.org/stable/c/6fa78a6b9a3beb676a010dc489c1257f7e432525"
            },
            {
               "url": "https://git.kernel.org/stable/c/0cf036a0d325200e6c27b90908e51195bbc557b1"
            },
            {
               "url": "https://git.kernel.org/stable/c/8d746ea7c687bab060a2c05a35c449302406cd52"
            },
            {
               "url": "https://git.kernel.org/stable/c/3a53587423d25c87af4b4126a806a0575104b45e"
            }
         ],
         "title": "platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47073",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
