Incomplete Memory Cleanup in SEV Firmware Could Lead to Data Integrity Loss
CVE-2023-31356

4.4MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 7003 Processors
Amd Epyc™ 9004 Processors
Amd Epyc™ Embedded 7003
Amd Epyc™ Embedded 9004
Vendor
CVE Published:
13 August 2024

What is CVE-2023-31356?

Incomplete memory cleanup in AMD's SEV (Secure Encrypted Virtualization) firmware poses a significant risk where a privileged attacker may exploit this flaw to corrupt guest private memory. This vulnerability can lead to potential loss of data integrity, compromising the confidentiality and reliability of virtualized environments.

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Affected Version(s)

AMD EPYC™ 7003 Processors MilanPI 1.0.0.C

AMD EPYC™ 9004 Processors GenoaPI 1.0.0.B

AMD EPYC™ Embedded 7003 "EmbMilanPI-SP3 1.0.0.8"

References

https://www.amd.com/en/resources/product-security/bulleti...
vendor-advisory
https://www.amd.com/en/resources/product-security/bulleti...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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