CVE-2025-32776 OpenRazer Vulnerable to Out of Bounds Read
An attacker can trigger an out-of-bounds read in the OpenRazer kernel driver by writing crafted data, potentially leaking memory or causing a crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-32776?
CVE-2025-32776 is a medium-severity memory corruption vulnerability in openrazer, published on 15 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenRazer is an open source driver and user-space daemon to control Razer device lighting and other features on GNU/Linux. By writing specially crafted data to the `matrix_custom_frame` file, an attacker can cause the custom kernel driver to read more bytes than provided by user space. This data will be written into the RGB arguments which will be sent to the USB device. This issue has been patched in v3.10.2.
Weakness: CWE-125
Which versions are affected by CVE-2025-32776?
How do I fix CVE-2025-32776?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-32776 being exploited?
There is no known exploitation of CVE-2025-32776 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-32776, GHSA-835j-6976-46jx, UBUNTU-CVE-2025-32776.