CVE-2023-0204 Denial of service in NVIDIA ConnectX Firmware

Medium 6.5 Published 22 Apr 2023 Updated 4 Feb 2025

An unprivileged user can trigger improper exception handling in NVIDIA ConnectX NIC firmware, resulting in a denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-0204?

CVE-2023-0204 is a medium-severity denial of service vulnerability in NVIDIA ConnectX Firmware, published on 22 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA ConnectX-5, ConnectX-6, and ConnectX6-DX contain a vulnerability in the NIC firmware, where an unprivileged user can cause improper handling of exceptional conditions, which may lead to denial of service.

Weakness: CWE-755, CWE-703

Which versions are affected by CVE-2023-0204?

It affects 1 product.

Products include Nvidia Connectx Firmware.

How do I fix CVE-2023-0204?

No fix has been published for CVE-2023-0204 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-2023-0204 being exploited?

There is no known exploitation of CVE-2023-0204 in the wild and no public exploit code.

Sources

Also known as GHSA-w8gr-qr68-9pm5.