CVE-2022-28200 Memory corruption in NVIDIA DGX A100
A local attacker with elevated privileges can exploit a memory corruption flaw in the BIOS configuration tool to execute code, escalate privileges, or cause denial of service.
- 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-2022-28200?
CVE-2022-28200 is a high-severity memory corruption vulnerability in NVIDIA DGX A100, published on 2 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2022-28200?
It affects 1 product.
Products include Nvidia Dgx A100 Firmware.
How do I fix CVE-2022-28200?
No fix has been published for CVE-2022-28200 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-28200 being exploited?
There is no known exploitation of CVE-2022-28200 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA DGX A100
Sources
Also known as GHSA-mqfm-vc95-gg95.