CVE-2023-20573

Debug Exception Delivery in Secure Nested Paging

A privileged attackercan prevent delivery of debug exceptions to SEV-SNP guests potentiallyresulting in guests not receiving expected debug information.

Affected

AMD · 3rd Gen AMD EPYC™ Processors · 4th Gen AMD EPYC™ Processors

CVSS v3.1 NVD

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

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2024-01-11

Updated

2025-06-20

Proof-of-concept exploits (1)

• Freax13/cve-2023-20573-poc6★ · 2024-01-09

Security advisories

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

References

• CVE Record
• NVD entry

Related

• CVE-2023-31346
• CVE-2023-31355
• CVE-2023-46813
• CVE-2024-21978
• CVE-2024-21980