CVE-2022-28200 : What You Need to Know

NVIDIA DGX A100 contains a vulnerability in SBIOS in the BiosCfgTool that allows a local user with elevated privileges to read and write beyond intended bounds in SMRAM. This can result in code execution, escalation of privileges, denial of service, and information disclosure. The impact of this vulnerability extends to other components.

Understanding CVE-2022-28200

This section provides an overview of the CVE-2022-28200 vulnerability.

What is CVE-2022-28200?

CVE-2022-28200 is a vulnerability within the BiosCfgTool of NVIDIA DGX A100, enabling a local user with elevated privileges to read and write beyond intended bounds in SMRAM.

The Impact of CVE-2022-28200

The vulnerability can lead to serious consequences including code execution, privileges escalation, denial of service, and information exposure. Other system components may also be affected.

Technical Details of CVE-2022-28200

Here are the technical details related to CVE-2022-28200 vulnerability.

Vulnerability Description

The vulnerability in SBIOS allows unauthorized access to SMRAM, potentially leading to severe security breaches and system compromise.

Affected Systems and Versions

NVIDIA DGX A100 versions prior to 22.5.5 are impacted by this vulnerability.

Exploitation Mechanism

A local user with elevated privileges can exploit this vulnerability to manipulate SMRAM, enabling unauthorized activities on the system.

Mitigation and Prevention

Learn about steps to mitigate the risks associated with CVE-2022-28200.

Immediate Steps to Take

Immediately update NVIDIA DGX A100 to version 22.5.5 or above to patch the vulnerability and secure the system.

Long-Term Security Practices

Implement strict access controls, regular security updates, and monitoring to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates from NVIDIA to address vulnerabilities and enhance system security.