Vulnerability in Amd 2nd Gen Epyc™ Processors
CVE-2023-20593
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
EPSS: 0.084 (92.5th percentile) — read the EPSS interpretation.
Affected products
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen™ 4000 Series Desktop Processors With Radeon™ Graphics “Renoir” Am4 — versions various
- Amd Ryzen™ 3000 Series Desktop Processors “Matisse” Am4 — versions various
- Amd Ryzen™ 4000 Series Mobile Processors With Radeon™ Graphics “Renoir” — versions various
- Amd Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics “Lucienne” — versions various
- Amd Ryzen™ 7020 Series Processors “Mendocino” Ft6 — versions various
- Amd Ryzen™ Threadripper™ Pro Processors “Castle Peak” Ws Sp3 — versions various
Public proof-of-concept exploits
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008 (vendor-advisory)
- xenbits.xen.org/xsa/advisory-433.html
- www.openwall.com/lists/oss-security/2023/07/24/3
- seclists.org/fulldisclosure/2023/Jul/43
- www.openwall.com/lists/oss-security/2023/07/25/5
- www.openwall.com/lists/oss-security/2023/07/25/6
- www.openwall.com/lists/oss-security/2023/07/25/1
- www.openwall.com/lists/oss-security/2023/07/25/13
- www.openwall.com/lists/oss-security/2023/07/25/17
- www.openwall.com/lists/oss-security/2023/07/25/12
Frequently asked questions
- What is CVE-2023-20593?
- CVE-2023-20593 is a vulnerability in Amd 2nd Gen Epyc™ Processors. Published 2023-07-24.
- Is CVE-2023-20593 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.