CVE-2021-46748 : Security Advisory and Response

CVE-2021-46748 involves insufficient bounds checking in the AMD Secure Processor, potentially leading to a denial of service. This vulnerability affects various AMD Radeon graphics cards.

Understanding CVE-2021-46748

This section delves into the impact and technical details of CVE-2021-46748.

What is CVE-2021-46748?

Insufficient bounds checking in the AMD Secure Processor could enable attackers to access memory beyond permissible bounds for Trusted Applications, creating a denial of service risk.

The Impact of CVE-2021-46748

The vulnerability could lead to a potential denial of service, affecting the secure functioning of the AMD Secure Processor.

Technical Details of CVE-2021-46748

Explore the specific technical aspects of CVE-2021-46748.

Vulnerability Description

The flaw allows attackers to breach memory boundaries in the AMD Secure Processor, posing a risk to Trusted Applications and system security.

Affected Systems and Versions

AMD Software: Adrenalin Edition 23.7.1 on Radeon™ RX 5000/6000/7000 Series Graphics Cards
AMD Software: PRO Edition 23.Q3 on Radeon™ PRO W5000/W6000/W7000 Series Graphics Cards
Radeon™ RX Vega Series Graphics Cards
Radeon™ PRO WX Vega Series Graphics Cards

Exploitation Mechanism

Attackers can exploit the insufficient bounds checking in the ASP to overstep memory limits, potentially causing a denial of service.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the CVE-2021-46748 vulnerability.

Immediate Steps to Take

Apply patches provided by AMD promptly
Monitor AMD's security bulletins for updates

Long-Term Security Practices

Regularly update AMD software and firmware
Conduct security assessments and audits periodically

Patching and Updates

Follow AMD's recommendations for patching and updating software to address the vulnerability effectively.