CVE-2022-29021

Name: CVE-2022-29021
Creator: NVD / NIST
Published: 2022-05-20T13:15:15.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.05%

Last modified Jun 17, 2026

CVE-2022-29021 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A buffer overflow vulnerability exists in the razerkbd driver of OpenRazer up to version v3.3.0 allows attackers to cause a Denial of Service (DoS) and possibly escalate their privileges via a crafted buffer sent to the matrix_custom_frame device.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.

Description

A buffer overflow vulnerability exists in the razerkbd driver of OpenRazer up to version v3.3.0 allows attackers to cause a Denial of Service (DoS) and possibly escalate their privileges via a crafted buffer sent to the matrix_custom_frame device.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.05%

78.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Openrazer Project	Openrazer	<= 3.3.0

References

https://github.com/openrazer/openrazer/pull/1790Exploit, Third Party Advisory
https://www.cyberark.com/resources/threat-research-blog/colorful-vulnerabilitiesExploit, Third Party Advisory
https://github.com/openrazer/openrazer/pull/1790Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/04/msg00032.html
https://www.cyberark.com/resources/threat-research-blog/colorful-vulnerabilitiesExploit, Third Party Advisory

Timeline

Published: May 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29021?

How severe is CVE-2022-29021?

CVE-2022-29021 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29021?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST