CVE-2023-20582

Published: Feb 11, 2025

Modified: Feb 12, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

Vendor	Product	Versions
AMD	AMD EPYC™ 9004 Processors	unaffected `GenoaPI 1.0.0.C` unaffected `SEV FW1.55.36`
AMD	AMD EPYC™ Embedded 9004	unaffected `EmbGenoaPI-SP5 1.0.0.7`

Weaknesses (CWE)

CWE-1284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

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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CVE-2023-20582

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References