Is CVE-2021-46963 in the CISA KEV catalog?

No. CVE-2021-46963 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46963?

CVE-2021-46963 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-46963?

CVE-2021-46963 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46963?

Upgrade linux on debian 11 to 5.10.38-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-46963

MEDIUM

5.5

CVSS v3

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.

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.38-1CVE-2021-46963

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Patch6

Embed a live status badge for CVE-2021-46963

Markdown

[![CVE-2021-46963](https://tridentstack.com/cve/badge/CVE-2021-46963.svg)](https://tridentstack.com/cve/CVE-2021-46963)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-46963"><img src="https://tridentstack.com/cve/badge/CVE-2021-46963.svg" alt="CVE-2021-46963"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-12-11.