CVE-2023-20582

State: Published
Severity: 5.3 Medium
Published: Feb 11, 2025
Updated: Feb 12, 2025
Reserved: Oct 27, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N	AMD

Weaknesses

CWE-1284 Improper Validation of Specified Quantity in Input

Affected Products

Product	Versions
AMD EPYC™ 9004 ProcessorsAMD	GenoaPI 1.0.0.CNot affected SEV FW1.55.36Not affected
AMD EPYC™ Embedded 9004AMD	EmbGenoaPI-SP5 1.0.0.7Not affected

References

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

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