Lucene search

K
debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-47503
HistoryMay 24, 2024 - 3:15 p.m.

CVE-2021-47503

2024-05-2415:15:10
Debian Security Bug Tracker
security-tracker.debian.org
1
linux kernel
vulnerability
resolution
unix

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

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()

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%