CVE-2023-20582

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Score

CVSS 3.1 5.3 Medium

Status

Deferred - psirt@amd.com

Published

2025-02-11

Last modified

2025-02-12

Weaknesses

CWE-1284

Affected products

• Amd Epyc 9004 Processors (Amd)
• Amd Epyc Embedded 9004 (Amd)

References

• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html