CVE-2023-20573

Debug Exception Delivery in Secure Nested Paging

Published: Jan 11, 2024Updated: Jun 20, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo

NVD MITRE

3.2CVSSLOW

Description

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

NVD-CWE-noinfo CWE-693

Affected Products

epyc 7763 firmware amd Hardware Firmware

epyc 7713p firmware amd Hardware Firmware

epyc 7713 firmware amd Hardware Firmware

epyc 7663p firmware amd Hardware Firmware

epyc 7663 firmware amd Hardware Firmware

amdcommercialUSHardware Firmwareaka advanced micro devices

and 64 more affected products View all →

Exploitability

Official Patch Available

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3006

amd.com

Timeline

Published

Jan 11, 2024

Last Updated

Jun 20, 2025

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