CVE-2021-47565
HIGHLinux Kernel 3.8-4.4.294 - NULL Pointer Dereference in SCSI mpt3sas Drive Powercycle Handling
Title source: llmDescription
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.
References (8)
Core 8
Core References
Scores
CVSS v3
7.8
EPSS
0.0023
EPSS Percentile
13.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
CWE-476
Status
published
Products (20)
Linux/Linux
< 3.8
Linux/Linux
3.8
Linux/Linux
4.14.257 - 4.14.*
Linux/Linux
4.19.219 - 4.19.*
Linux/Linux
4.4.294 - 4.4.*
Linux/Linux
4.9.292 - 4.9.*
Linux/Linux
5.10.83 - 5.10.*
Linux/Linux
5.15.6 - 5.15.*
Linux/Linux
5.16
Linux/Linux
5.4.163 - 5.4.*
... and 10 more
Published
May 24, 2024
Tracked Since
Feb 18, 2026