CVE-2022-28348 : Security Advisory and Response

Arm Mali GPU Kernel Driver is affected by a vulnerability that allows improper GPU memory operations, leading to a use-after-free situation.

Understanding CVE-2022-28348

This CVE ID refers to a specific security vulnerability in the Arm Mali GPU Kernel Driver.

What is CVE-2022-28348?

The vulnerability in Arm Mali GPU Kernel Driver (Midgard r4p0 through r31p0, Bifrost r0p0 through r36p0 before r37p0, and Valhall r19p0 through r36p0 before r37p0) allows improper GPU memory operations, resulting in a use-after-free scenario.

The Impact of CVE-2022-28348

Exploitation of this vulnerability can potentially lead to unauthorized access, information disclosure, or denial of service (DoS) attacks on affected systems.

Technical Details of CVE-2022-28348

This section covers detailed technical aspects of the CVE.

Vulnerability Description

The vulnerability allows attackers to perform malicious GPU memory operations, which can ultimately result in a use-after-free situation.

Affected Systems and Versions

Arm Mali GPU Kernel Driver versions Midgard r4p0 through r31p0, Bifrost r0p0 through r36p0 before r37p0, and Valhall r19p0 through r36p0 before r37p0 are impacted by this vulnerability.

Exploitation Mechanism

By exploiting this vulnerability, threat actors can manipulate GPU memory operations to trigger the use-after-free condition, potentially compromising system integrity.

Mitigation and Prevention

To safeguard systems from potential exploitation, immediate actions and long-term security measures are crucial.

Immediate Steps to Take

Users should apply security patches provided by Arm and follow best practices to enhance system security.

Long-Term Security Practices

Implementing strict access controls, monitoring GPU memory operations, and staying informed about security updates are essential for long-term security.

Patching and Updates

Regularly update the Arm Mali GPU Kernel Driver to the latest secure version to mitigate the risk of exploitation.