VDB

DEBIAN-CVE-2021-47503

DEBIAN-CVE-2021-47503 PUBLISHED CVSS 6.199999809265137 MEDIUM

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+0x63/0x440 Call Trace: device_unregister+0x17/0x60 scsi_remove_host+0xee/0x2a0 pm8001_pci_probe+0x6ef/0x1b90 [pm80xx] local_pci_probe+0x3f/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() | `- pm8001_pci_alloc() | | | `- pm8001_alloc() | | | `- scsi_remove_host() | `- scsi_add_host()

Risk Scores

CVSS 3.1
6.199999809265137
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:11linux0, 5.10.84-1, *
Debian:14linux0, 0, 0
Debian:12linux0, 0, 0
Debian:13linux0, 0, 0

Timeline

  • May 24, 2024 CVE Published
  • Apr 28, 2026 CVE Updated
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