CVE-2022-46395 : What You Need to Know
Discover the impact of CVE-2022-46395, a vulnerability in the Arm Mali GPU Kernel Driver enabling unauthorized access to freed memory. Learn about affected systems, exploitation, and mitigation strategies.
An issue was discovered in the Arm Mali GPU Kernel Driver that allows a non-privileged user to perform improper GPU processing operations and gain access to freed memory. This vulnerability impacts various versions of Midgard, Bifrost, Valhall, and Avalon GPUs.
Understanding CVE-2022-46395
This section delves into the details of CVE-2022-46395, outlining its impact and implications.
What is CVE-2022-46395?
The CVE-2022-46395 vulnerability exists in the Arm Mali GPU Kernel Driver, enabling unauthorized access to freed memory through improper GPU processing operations.
The Impact of CVE-2022-46395
The impact of CVE-2022-46395 is significant as it allows a non-privileged user to exploit the GPU driver and gain access to memory that should have been freed.
Technical Details of CVE-2022-46395
In this section, the technical aspects of CVE-2022-46395, including vulnerability description, affected systems, and exploitation mechanism, are discussed.
Vulnerability Description
The vulnerability in the Arm Mali GPU Kernel Driver permits unauthorized access to freed memory due to improper GPU processing operations.
Affected Systems and Versions
CVE-2022-46395 affects Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.
Exploitation Mechanism
The vulnerability can be exploited by a non-privileged user through inappropriate GPU processing, leading to unauthorized access to freed memory.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the exploitation of CVE-2022-46395, ensuring system security.
Immediate Steps to Take
Immediate actions include applying patches, monitoring system activity, and restricting access to potentially vulnerable components.
Long-Term Security Practices
Long-term security practices involve regular security assessments, implementing defense mechanisms, and staying informed about security updates.
Patching and Updates
Regularly updating the Arm Mali GPU Kernel Driver and associated software is crucial to address CVE-2022-46395 and enhance system security.