Hypervisor Memory Leakage Vulnerability Discovered
CVE-2024-21978

7.9HIGH

Key Information:

Vendor

Amd
Status
3rd Gen Amd Epyc™ Processors
4th Gen Amd Epyc™ Processors
Amd Epyc™ Embedded 7003
Amd Epyc™ Embedded 9003
Vendor
CVE Published:
5 August 2024

What is CVE-2024-21978?

The vulnerability in AMD's SEV-SNP relates to improper input validation, which may be exploited by a malicious hypervisor. This flaw enables unauthorized access to read or overwrite guest memory, potentially resulting in significant data leakage or corruption. System administrators and users of affected products should prioritize reviewing the associated vendor advisory for specific mitigation steps and affected versions.

Affected Version(s)

3rd Gen AMD EPYC™ Processors various

4th Gen AMD EPYC™ Processors various

AMD EPYC™ Embedded 7003 various

References

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

CVSS V3.1

Score:
7.9
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2024-21978 : Hypervisor Memory Leakage Vulnerability Discovered