Discover the details of CVE-2022-33917, a vulnerability in Arm Mali GPU Kernel Driver that allows unauthorized access to freed memory. Learn about the impact, affected systems, and mitigation steps.
This article discusses the discovery of an issue in the Arm Mali GPU Kernel Driver, affecting versions Valhall r29p0 through r38p0. A non-privileged user could exploit this vulnerability to access already freed memory.
Understanding CVE-2022-33917
In this section, we will delve into the details of CVE-2022-33917.
What is CVE-2022-33917?
CVE-2022-33917 is a vulnerability found in the Arm Mali GPU Kernel Driver, allowing non-privileged users to perform improper GPU processing and potentially gain access to freed memory.
The Impact of CVE-2022-33917
The impact of this vulnerability includes unauthorized access to sensitive information and potential system crashes due to memory corruption.
Technical Details of CVE-2022-33917
Let's explore the technical aspects of CVE-2022-33917.
Vulnerability Description
The vulnerability in the Arm Mali GPU Kernel Driver (Valhall r29p0 through r38p0) enables non-privileged users to exploit improper GPU processing operations.
Affected Systems and Versions
All systems using Arm Mali GPU Kernel Driver versions Valhall r29p0 through r38p0 are affected by this security flaw.
Exploitation Mechanism
An attacker, leveraging the vulnerability, can manipulate GPU processing operations to gain unauthorized access to previously freed memory.
Mitigation and Prevention
This section provides recommendations to mitigate the risks associated with CVE-2022-33917.
Immediate Steps to Take
Users are advised to apply patches and updates provided by Arm to address this vulnerability promptly.
Long-Term Security Practices
Implementing strict access controls, monitoring GPU operations, and regularly updating software are essential for long-term security.
Patching and Updates
Regularly check for security updates from Arm and apply them as soon as they are available to safeguard systems against potential exploitation.