CVE-2022-29021

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…

published May 20, 2022

CVSS
—
EPSS
2%
Percentile
83.0
In the wild
Unconfirmed
What it is

⚠️ A crafty buffer overflow lurks in the razerkbd driver of OpenRazer up to version 3.3.0. Just one maliciously crafted buffer could lead to a Denial of Service (DoS) and escalated privileges! 🚨 Think of it like a restaurant that can only seat a certain number of guests. If too many people try to squeeze in at once due to a poorly managed reservation system, it creates chaos — some may even try to take over the kitchen! An attacker could trigger a DoS, interrupting service and causing a complete halt. If they play their cards right, they might even escalate their privileges and gain unauthorized access. It's like someone barging into the chef's area and remixing the whole menu!

Put simply

Think of it like a restaurant that can only seat a certain number of guests. If too many people try to squeeze in at once due to a poorly managed reservation system, it creates chaos — some may even try to take over the kitchen! This vulnerability arises from a buffer overflow in the razerkbd driver, where excessive data sent to the matrix_custom_frame device can crash the system and potentially allow privilege escalation.

What to do

An attacker could trigger a DoS, interrupting service and causing a complete halt. If they play their cards right, they might even escalate their privileges and gain unauthorized access. It's like someone barging into the chef's area and remixing the whole menu! To protect your systems, immediately upgrade to OpenRazer version 3.3.1 or later. Make sure to review any configurations that interact with the matrix_custom_frame device. Regularly audit your drivers to ensure they remain up to date. You can tackle this! Follow these steps, and your system will be safer in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02286 · 83.0th percentile
Published
2022-05-20T12:43Z
EPSS history
Timeline
  • 20 MAY 12:43Z
    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…
    cvelistv5