CVE-2022-28200: NVIDIA Dgx a100 Firmware

High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days.

NVIDIA DGX A100 contains a vulnerability in SBIOS in the BiosCfgTool, where a local user with elevated privileges can read and write beyond intended bounds in SMRAM, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.

Affected products

• NVIDIA Dgx a100 Firmware: before 22.5.5 (fixed in 22.5.5)

Published 2022-07-02. Last modified 2026-06-17.