🛡️ CVE-2022-29021 — openrazer

🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-120 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-29021 is classified as CWE-120: Classic Buffer Overflow. Input is copied into a fixed-size buffer without a length check, overwriting memory past the end of it.

Affected software

CVE-2022-29021 is recorded against 1 package.

  • openrazer (fixed in 3.3.0)

Timeline and source

Published on 20 May 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
www.cyberark.com
github.com
lists.debian.org
www.cyberark.com

CVE-2022-29021 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-120
Public Exploit ⚠️ Yes
Source NVD
Published 2022-05-20
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
openrazer — 3.3.0

Similar Threats

Exploit Protection

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