CVE-2022-34376 Denial of service in PowerEdge Platform

Low 3.9 Published 10 Feb 2023 Updated 26 Mar 2025

A local authenticated attacker can manipulate an SMI to cause a denial of service in Dell PowerEdge and Precision BIOS systems.

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-2022-34376?

CVE-2022-34376 is a low-severity denial of service vulnerability in Dell PowerEdge Platform, published on 10 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell PowerEdge BIOS and Dell Precision BIOS contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by manipulating an SMI to cause a denial of service during SMM.

Weakness: CWE-119

Which versions are affected by CVE-2022-34376?

It affects 80 products.

Products include Dell C4130 Firmware, Dell C4140 Firmware, Dell C6320 Firmware, Dell C6420 Firmware, Dell C6520 Firmware, Dell C6525 Firmware and 74 more.

How do I fix CVE-2022-34376?

No fix has been published for CVE-2022-34376 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-2022-34376 being exploited?

There is no known exploitation of CVE-2022-34376 in the wild and no public exploit code.

Sources

Also known as GHSA-6gg4-gmc7-j9mm.