CVE-2023-20594 Information disclosure in 3rd Gen AMD EPYC™ Processors
A privileged local attacker can leak sensitive information due to improper variable initialization in AMD DXE drivers.
- 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-2023-20594?
CVE-2023-20594 is a medium-severity vulnerability in Amd Epyc 72f3 Firmware, published on 20 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
Which versions are affected by CVE-2023-20594?
It affects 125 products.
Products include Amd Epyc 7003 Firmware, Amd Epyc 72f3 Firmware, Amd Epyc 7313 Firmware, Amd Epyc 7313p Firmware, Amd Epyc 7343 Firmware, Amd Epyc 7373x Firmware and 119 more.
How do I fix CVE-2023-20594?
No fix has been published for CVE-2023-20594 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20594 being exploited?
There is no known exploitation of CVE-2023-20594 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 72f3 Firmware
Sources
Also known as GHSA-f4mr-h274-9w8h.