CVE-2023-31032 CVE

High 7.5 Published 12 Jan 2024 Updated 3 Jun 2025

A local attacker can cause a denial of service on NVIDIA DGX A100 systems via dynamic variable evaluation in the SBIOS.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-31032?

CVE-2023-31032 is a high-severity denial of service vulnerability in nvidia DGX A100, published on 12 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA DGX A100 SBIOS contains a vulnerability where a user may cause a dynamic variable evaluation by local access. A successful exploit of this vulnerability may lead to denial of service.

Weakness: CWE-913, CWE-627

Which versions are affected by CVE-2023-31032?

It affects 1 product.

Products include Nvidia Dgx A100 Firmware.

How do I fix CVE-2023-31032?

No fix has been published for CVE-2023-31032 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-31032 being exploited?

There is no known exploitation of CVE-2023-31032 in the wild and no public exploit code.

Sources

Also known as GHSA-5q7c-3gj2-48qw.