CVE-2023-33200 : What You Need to Know
Discover CVE-2023-33200, a vulnerability in Arm's Mali GPU Kernel Driver allowing unauthorized access to system memory. Learn about the impact, affected systems, and mitigation steps.
A vulnerability has been discovered in the Mali GPU Kernel Driver, developed by Arm Ltd, allowing a local non-privileged user to exploit a software race condition. By manipulating GPU processing operations, an attacker could potentially gain access to already freed memory on the system.
Understanding CVE-2023-33200
This section delves into the details surrounding CVE-2023-33200.
What is CVE-2023-33200?
The CVE-2023-33200 vulnerability in the Mali GPU Kernel Driver enables a local non-privileged user to execute improper GPU processing operations, leading to a software race condition exploitation. This could result in unauthorized access to freed memory on the system.
The Impact of CVE-2023-33200
The impact of this vulnerability is categorized under CAPEC-233, which denotes privilege escalation. An attacker could potentially escalate their privileges through this exploit.
Technical Details of CVE-2023-33200
This section outlines the technical aspects of CVE-2023-33200.
Vulnerability Description
The vulnerability allows a local non-privileged user to manipulate GPU processing operations, exploiting a software race condition and potentially accessing already freed memory on the system.
Affected Systems and Versions
Arm Ltd's GPU Kernel Drivers including Bifrost, Valhall, and 5th Gen GPU Architecture are affected. Versions prior to r44p1 are vulnerable.
Exploitation Mechanism
Attackers execute improper GPU processing operations to take advantage of the software race condition, enabling access to memory that has been freed.
Mitigation and Prevention
In this section, we discuss the steps to mitigate and prevent the CVE-2023-33200 vulnerability.
Immediate Steps to Take
Users are advised to update their Arm GPU Kernel Drivers to version r44p1 or above to mitigate the vulnerability. Restricting access to non-privileged users can also help prevent exploitation.
Long-Term Security Practices
Regularly updating GPU drivers, monitoring system memory usage, and employing proper user permissions can enhance long-term security against similar vulnerabilities.
Patching and Updates
Stay informed about security patches and updates released by Arm Ltd for the Mali GPU Kernel Driver to ensure protection against potential exploits.