Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0025 16.1 —
AFFECTED
Product Versions Fixed
Linux 64a8c5018a4b21b04a756a56c495ef47c14e92d9 – —
Linux 5.5 – 4.19.191
TIMELINE
Feb 27 Reserved by Linux
Feb 27 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2021-46963 (Linux). CVSS 7.8 → 5.5 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| February 27, 2024 | Reserved | Reserved by Linux |
| February 27, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2021-46963 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 64a8c5018a4b21b04a756a56c495ef47c14e92d9 | — |
| Linux | Linux | — | 5.5 | 4.19.191 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-46963 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.