What’s Vulnerable › Vulnerabilities

CVE-2023-31356

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-13 · updated 2026-06-17
• Weakness: CWE-459

Description

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.

Affected products

• AMD EPYC™ 7003 Processors: all versions
• AMD EPYC™ 9004 Processors: all versions
• AMD EPYC™ Embedded 7003: all versions
• AMD EPYC™ Embedded 9004: all versions

References

• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html

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