CVE-2023-20582

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Weakness enumeration

CWE-1284

Affected software

Vendor	Product	Versions
AMD	AMD EPYC™ 9004 Processors	—
AMD	AMD EPYC™ Embedded 9004	—

References

Timeline

Published: Feb 11, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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