CVE-2022-28349 : Exploit Details and Defense Strategies

Arm Mali GPU Kernel Driver has a use-after-free vulnerability affecting Midgard, Bifrost, and Valhall versions. Here's what you need to know about CVE-2022-28349.

Understanding CVE-2022-28349

This section provides an overview of the vulnerability in the Arm Mali GPU Kernel Driver.

What is CVE-2022-28349?

Arm Mali GPU Kernel Driver contains a use-after-free vulnerability. Specifically, the affected versions include Midgard r28p0 through r29p0 before r30p0, Bifrost r17p0 through r23p0 before r24p0, and Valhall r19p0 through r23p0 before r24p0.

The Impact of CVE-2022-28349

The use-after-free vulnerability in Arm Mali GPU Kernel Driver could potentially lead to security breaches and unauthorized access to sensitive information stored on affected devices.

Technical Details of CVE-2022-28349

In this section, we delve into the technical aspects of the CVE-2022-28349 vulnerability.

Vulnerability Description

The use-after-free vulnerability allows attackers to manipulate memory resources, potentially leading to malicious activities.

Affected Systems and Versions

Arm Mali GPU Kernel Driver versions Midgard r28p0 through r29p0 before r30p0, Bifrost r17p0 through r23p0 before r24p0, and Valhall r19p0 through r23p0 before r24p0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by executing specially crafted codes to trigger the use-after-free condition and gain unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2022-28349 is crucial. Here are some steps to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Update Arm Mali GPU Kernel Driver to the latest secure version.
Monitor system behavior for any signs of unauthorized access.

Long-Term Security Practices

Regularly check for security updates from Arm and apply them promptly.
Implement secure coding practices to prevent such vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from Arm to patch vulnerabilities like CVE-2022-28349.