OpenRazer up to 3.3.0 razerkbd Driver matrix_custom_frame buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in OpenRazer up to 3.3.0. The affected element is the function matrix_custom_frame of the component razerkbd Driver. The manipulation results in buffer overflow.
This vulnerability was named CVE-2022-29021. There is no available exploit.
Applying a patch is advised to resolve this issue.
Details
A vulnerability classified as critical has been found in OpenRazer up to 3.3.0. Affected is the function matrix_custom_frame of the component razerkbd Driver. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was presented 05/20/2022. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2022-29021 since 04/11/2022. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 234799 (Debian dla-4136 : openrazer-daemon - security update), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the vulnerability database at Tenable (234799). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 234799
Nessus Name: Debian dla-4136 : openrazer-daemon - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
04/11/2022 🔍05/20/2022 🔍
05/20/2022 🔍
11/04/2025 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2022-29021 (🔍)
GCVE (CVE): GCVE-0-2022-29021
GCVE (VulDB): GCVE-100-200448
Entry
Created: 05/20/2022 17:21Updated: 11/04/2025 15:26
Changes: 05/20/2022 17:21 (39), 05/27/2022 09:04 (1), 04/24/2025 21:51 (16), 11/04/2025 15:26 (20)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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