What is CVE-2021-46963?

CVE-2021-46963 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-46963 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2021-46963 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2021-46963?

No patch is currently available for CVE-2021-46963. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-46963 actively exploited?

CVE-2021-46963 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-46963

Medium

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.

Package Linux Kernel

Published 2024-02-27

Last modified 2024-12-11

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

References

The following references provide additional information about CVE-2021-46963 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93
Patch
Kernel patch commit
https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538
Patch
Kernel patch commit
https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2021-46963

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-27

Modified 2024-12-11

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-46963?

CVE-2021-46963 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-46963 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-46963?

CVE-2021-46963 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2021-46963?

No patch is currently available for CVE-2021-46963. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-46963 actively exploited?

No — CVE-2021-46963 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.