Vulnerability in Amd 1st Gen Epyc™ Processors
CVE-2023-31315
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Amd 1st Gen Epyc™ Processors — versions various
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Epyc™ Processors — versions various
- Amd 4th Gen Epyc™ Processors — versions various
- Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics — versions various
- Amd Epyc™ Embedded 3000 — versions various
- Amd Epyc™ Embedded 7002 — versions various
- Amd Epyc™ Embedded 7003 — versions various
- Amd Epyc™ Embedded 9003 — versions various
- Amd Ryzen™ 3000 Series Desktop Processors — versions various
Public proof-of-concept exploits
References
- www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html (vendor-advisory)
Frequently asked questions
- What is CVE-2023-31315?
- CVE-2023-31315 is a high-severity vulnerability in Amd 1st Gen Epyc™ Processors. CVSS score: 7.5/10. Published 2024-08-09.
- How severe is CVE-2023-31315?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-31315 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.