CVEvulnerability

CVE-2021-46963

5.5 MEDIUM Published 2024-02-27 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-02-27
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Affected configurations

• linux linux kernel (>= 4.19.90 < 4.19.191) • linux linux kernel (>= 5.4.4 < 5.4.118) • linux linux kernel (>= 5.5 < 5.10.36) • linux linux kernel (>= 5.11 < 5.11.20) • linux linux kernel (>= 5.12 < 5.12.3)

References