{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()\n\nCalling scsi_remove_host() before scsi_add_host() results in a crash:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000108\n RIP: 0010:device_del+0x63/0x440\n Call Trace:\n  device_unregister+0x17/0x60\n  scsi_remove_host+0xee/0x2a0\n  pm8001_pci_probe+0x6ef/0x1b90 [pm80xx]\n  local_pci_probe+0x3f/0x90\n\nWe cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host()\nhas not been called yet at that point in time.\n\nFunction call tree:\n\n  pm8001_pci_probe()\n  |\n  `- pm8001_pci_alloc()\n  |  |\n  |  `- pm8001_alloc()\n  |     |\n  |     `- scsi_remove_host()\n  |\n  `- scsi_add_host()"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/scsi/pm8001/pm8001_init.c"
               ],
               "versions": [
                  {
                     "version": "05c6c029a44d",
                     "lessThan": "1e434d2687e8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "05c6c029a44d",
                     "lessThan": "f8dccc1bdea7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "05c6c029a44d",
                     "lessThan": "653926205741",
                     "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/scsi/pm8001/pm8001_init.c"
               ],
               "versions": [
                  {
                     "version": "5.10",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.10",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.85",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.8",
                     "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/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add"
            },
            {
               "url": "https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c"
            },
            {
               "url": "https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b"
            }
         ],
         "title": "scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47503",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}