CVE-2023-20582 Information

Description

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.

Reference

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