CVE-2023-20573 Debug Exception Delivery in Secure Nested Paging

2024-01-1113:53:52

AMD

www.cve.org

cve-2023-20573

debug exception

secure nested paging

privileged attacker

sev-snp guests

expected debug information

AI Score

4.2

Confidence

High

EPSS

Percentile

9.0%

JSON

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

CNA Affected

[
  {
    "defaultStatus": "affected",
    "packageName": " ",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "4th Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "Various "
      }
    ]
  }
]