CVE-2023-20573

kernel: hw: AMD Secure Nested Paging Debug Exception

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Severity

Low

Red Hat Product Security

3.2

CVSS 3.1

Review impact separately from score.

Published · January 9, 2024

Updated · November 21, 2025

Description

A flaw was found in AMD hardware using the Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP) feature. This issue may allow a privileged attacker to prevent the delivery of debug exceptions to SEV-SNP guests, potentially resulting in guests not receiving expected debug information.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N

CWE-1301 · Insufficient or Incomplete Data Removal within Hardware Component