Vulnerability in Amd Epyc™ 7003 Processors
CVE-2023-31356
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.
EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Amd Epyc™ 7003 Processors — versions MilanPI 1.0.0.C
- Amd Epyc™ 9004 Processors — versions GenoaPI 1.0.0.B
- Amd Epyc™ Embedded 7003 — versions "EmbMilanPI-SP3 1.0.0.8"
- Amd Epyc™ Embedded 9004 — versions EmbGenoaPI-SP5 1.0.0.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2023-31356?
- CVE-2023-31356 is a medium-severity vulnerability in Amd Epyc™ 7003 Processors, classified under Incomplete Cleanup. CVSS score: 4.4/10. Published 2024-08-13.
- How severe is CVE-2023-31356?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2023-31356 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.