What is CVE-2022-33981?

CVE-2022-33981 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-33981 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-33981?

CVE-2022-33981 has a CVSS score of 3.3 out of 10, rated Low severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Is there a patch available for CVE-2022-33981?

No patch is currently available for CVE-2022-33981. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-33981 actively exploited?

CVE-2022-33981 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-33981

Low

drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.

Package Linux Kernel

Published 2022-06-18

Last modified 2025-05-05

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

3.3

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Vector string

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

Weakness type

CWE-416

CVE-2022-33981 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-33981 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6

Release Notes Vendor Advisory
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/225362

Third Party Advisory VDB Entry
Debian Security
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

Mailing List Third Party Advisory
Debian Security
https://www.debian.org/security/2022/dsa-5173

Third Party Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
Patch
Kernel patch commit
https://seclists.org/oss-sec/2022/q2/66
Patch

Details

CVE ID CVE-2022-33981

Severity Low

CVSS score 3.3 / 10

CVSS version 3.1

Published 2022-06-18

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-33981?

CVE-2022-33981 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-33981 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-33981?

CVE-2022-33981 has a CVSS score of 3.3 out of 10, rated Low 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:L.
Is there a patch available for CVE-2022-33981?

No patch is currently available for CVE-2022-33981. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-33981 actively exploited?

No — CVE-2022-33981 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →