Vulnerability in AMD Epyc™ 7003 Processors
CVE-2023-20584
IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- AMD Epyc™ 7003 Processors — versions MilanPI 1.0.0.C
- AMD Epyc™ 9004 Processors — versions GenoaPI 1.0.0.B
- AMD Epyc 7203
- AMD Epyc 7203 Firmware
- AMD Epyc 7203p
- AMD Epyc 7203p Firmware
- AMD Epyc 72f3
- AMD Epyc 72f3 Firmware
- AMD Epyc 7303
- AMD Epyc 7303 Firmware
Public proof-of-concept exploits
References
- www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20584?
- CVE-2023-20584 is a medium-severity vulnerability in AMD Epyc™ 7003 Processors. CVSS score: 5.3/10. Published 2024-08-13.
- How severe is CVE-2023-20584?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-20584 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.