{
  "cveId": "CVE-2021-47503",
  "url": "https://patchblox.com/security/cve/CVE-2021-47503",
  "summary": "CVE-2021-47503 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47503, released May 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: pm80xx: Do not call scsi_remove_host() in...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()  Calling scsi_remove_host() before scsi_add_host() results in a crash:   BUG: kernel NULL pointer dereference, address: 0000000000000108  RIP: 0010:device_del\u002B0x63/0x440  Call Trace:   device_unregister\u002B0x17/0x60   scsi_remove_host\u002B0xee/0x2a0   pm8001_pci_probe\u002B0x6ef/0x1b90 [pm80xx]   local_pci_probe\u002B0x3f/0x90  We cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host() has not been called yet at that point in time.  Function call tree:    pm8001_pci_probe()   |   \u0060- pm8001_pci_alloc()   |  |   |  \u0060- pm8001_alloc()   |     |   |     \u0060- scsi_remove_host()   |   \u0060- scsi_add_host()",
  "published": "2024-05-24T15:15:10Z",
  "severity": "medium",
  "cvss": 6.2,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00248,
  "epssPercentile": 0.16217,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47503",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47503",
      "released": "2024-05-24T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47503",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47503",
      "released": "2024-05-24T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.15.15-1",
      "fix": "DEBIAN-CVE-2021-47503",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47503",
      "released": "2024-05-24T15:15:10Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}