CVE-2023-20591 Other in AMD EPYC™ 7003 Series Processors
Improper IOMMU re-initialization during DRTM events allows attackers to read or modify hypervisor memory, compromising confidentiality, integrity, and availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20591?
CVE-2023-20591 is a medium-severity vulnerability in Amd Epyc 72f3 Firmware, published on 13 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.
Weakness: CWE-665
Which versions are affected by CVE-2023-20591?
It affects 65 products.
Products include Amd Epyc 7203 Firmware, Amd Epyc 7203p Firmware, Amd Epyc 72f3 Firmware, Amd Epyc 7303 Firmware, Amd Epyc 7303p Firmware, Amd Epyc 7313 Firmware and 59 more.
How do I fix CVE-2023-20591?
No fix has been published for CVE-2023-20591 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20591 being exploited?
There is no known exploitation of CVE-2023-20591 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 72f3 Firmware
- CVE-2024-21980 Memory corruption in 3rd Gen AMD EPYC™ Processors
- CVE-2023-20533 Denial of service in 2nd Gen AMD EPYC™ Processors
- CVE-2023-31355 Memory corruption in 3rd Gen AMD EPYC™ Processors
- CVE-2024-21978 Information disclosure in 3rd Gen AMD EPYC™ Processors
- CVE-2023-31346 Information disclosure in 3rd Gen AMD EPYC™ Processors
Sources
Also known as GHSA-v8c4-4ghf-7jv6.