CVE-2023-20573

Debug Exception Delivery in Secure Nested Paging

CVSS 3.2 LOWEPSS 0.3%CWE-693

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.2EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

11 Jan 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

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

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References

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