CVE-2021-47565

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

24/05/2024

Last modified:

18/09/2025

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost&#39;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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.8 (including)	4.4.294 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.292 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.257 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.219 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.163 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.83 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.6 (excluding)
cpe:2.3:o:linux:linux_kernel:5.16:rc1::::::
cpe:2.3:o:linux:linux_kernel:5.16:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-47565

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools