CVE-2021-46963 - CVE House
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Status published Medium CVE-2021-46963

scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()

Vulnerability 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 Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
64a8c5018a4b21b04a756a56c495ef47c14e92d9, dea6ee7173039d489977c9ed92e3749154615db4, af2a0c51b1205327f55a7e82e530403ae1d42cbb, 4a1cc2f71bc57cf8dee6f58e7d2355a43aabb312, 4.19.90, 5.4.4, 5.3.17, 5.5, 0, 4.19.191, 5.4.118, 5.10.36, 5.11.20, 5.12.3, 5.13

Timeline

Official Publish: February 27th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.