CVE-2023-20575 Information disclosure in 1st Gen AMD EPYC™ Processors
An authenticated attacker can monitor program execution in AMD SEV VMs via power side-channels, leaking sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20575?
CVE-2023-20575 is a medium-severity vulnerability in Amd Epyc 7232p Firmware, published on 11 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.
Weakness: CWE-203
Which versions are affected by CVE-2023-20575?
It affects 88 products.
Products include Amd Epyc 5552 Firmware, Amd Epyc 7232p Firmware, Amd Epyc 7251 Firmware, Amd Epyc 7252 Firmware, Amd Epyc 7262 Firmware, Amd Epyc 7272 Firmware and 82 more.
How do I fix CVE-2023-20575?
No fix has been published for CVE-2023-20575 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20575 being exploited?
There is no known exploitation of CVE-2023-20575 in the wild and no public exploit code.
Sources
Also known as GHSA-mg79-3wxp-f4x4.