VulnerabilityModified

CVE-2023-20573

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

LOW 3.2EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1: 3.2 LOWCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
EPSS: 0.29% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-693
Affected: amd/epyc 7763 firmware · amd/epyc 7713p firmware · amd/epyc 7713 firmware · amd/epyc 7663p firmware · amd/epyc 7663 firmware · amd/epyc 7643p firmware · amd/epyc 7773x firmware · amd/epyc 7643 firmware · amd/epyc 7573x firmware · amd/epyc 75f3 firmware · amd/epyc 7543p firmware · amd/epyc 7543 firmware · amd/epyc 7513 firmware · amd/epyc 7473x firmware · amd/epyc 7453 firmware · amd/epyc 74f3 firmware · amd/epyc 7443p firmware · amd/epyc 7443 firmware · amd/epyc 7413 firmware · amd/epyc 7373x firmware · +40 more
Source: psirt@amd.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.