CVE-2021-47565: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost's sdev list it is possible that one of the drives is getting removed and its sas_target object is freed but its sdev object remains intact. Consequently, a kernel panic can occur while the driver is trying to access the sas_address field of sas_target object without also checking the sas_target object for NULL.

Affected products

• Linux Linux Kernel: from 3.8, before 4.4.294 (fixed in 4.4.294); from 4.5, before 4.9.292 (fixed in 4.9.292); from 4.10, before 4.14.257 (fixed in 4.14.257); from 4.15, before 4.19.219 (fixed in 4.19.219); from 4.20, before 5.4.163 (fixed in 5.4.163); from 5.5, before 5.10.83 (fixed in 5.10.83); …

Published 2024-05-24. Last modified 2026-06-17.