What is CVE-2022-3303?

CVE-2022-3303 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Improper Locking flaw (CWE-667). CVE-2022-3303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-3303?

CVE-2022-3303 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-3303?

No patch is currently available for CVE-2022-3303. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-3303 actively exploited?

CVE-2022-3303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Locking (CWE-667)?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/667.html

CVE-2022-3303

Medium

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition

Package Linux Kernel

Published 2022-09-27

Last modified 2025-05-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-667

CVE-2022-3303 is a Improper Locking vulnerability

What is Improper Locking?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-3303 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

Mailing List Third Party Advisory
Kernel.org
https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/
Debian Security
https://www.debian.org/security/2022/dsa-5257

Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
Patch

Details

CVE ID CVE-2022-3303

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.1

Published 2022-09-27

Modified 2025-05-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-3303?

CVE-2022-3303 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Improper Locking flaw (CWE-667) . CVE-2022-3303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-3303?

CVE-2022-3303 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-3303?

No patch is currently available for CVE-2022-3303. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-3303 actively exploited?

No — CVE-2022-3303 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Locking (CWE-667)?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. View CWE-667 on MITRE CWE →