CVE-2021-46963

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

27/02/2024

Last modified:

11/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free.

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.19.90 (including)	4.19.191 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.4.4 (including)	5.4.118 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.36 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.11.20 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.12 (including)	5.12.3 (excluding)

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

CVE-2021-46963

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools