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CVE-2023-20582 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.x Severity and Vector Strings:

VolerionCVSS-B:2.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html	[email protected]	Broken LinkVendor
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html	[email protected]	Broken LinkVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1284	Improper Validation of Specified Quantity in Input	[email protected]

Affected Products

Product	Versions
AMD IOMMU	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Feb 11, 2025	New CVE Received	[email protected]