Vulnerability in Amd Epyc™ 7003 Series Processors
CVE-2023-20591
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…
Vulnerability class: Dirty Pipe (CVE-2022-0847)
EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L.
Affected products
- Amd Epyc™ 7003 Series Processors — versions MilanPI 1.0.0.B
- Amd Epyc™ 9004 Series Processors — versions Genoa 1.0.0.8
- Amd Epyc™ Embedded 7003 Series Processors — versions EmbMilanPI-SP3 1.0.0.7
- Amd Epyc™ Embedded 9003 Series Processors — versions EmbGenoaPI-SP5 1.0.0.3
- Amd Epyc_7203
- Amd Epyc_7203_firmware
- Amd Epyc_7203p
- Amd Epyc_7203p_firmware
- Amd Epyc_72f3
- Amd Epyc_72f3_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20591?
- CVE-2023-20591 is a medium-severity vulnerability in Amd Epyc™ 7003 Series Processors, classified under Improper Initialization. CVSS score: 6.5/10. Published 2024-08-13.
- How severe is CVE-2023-20591?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-20591 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.