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CVE-2023-31355

🗓️ 05 Aug 2024 16:04:24Reported by AMDType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Improper SNP firmware write restriction. Allows hypervisor to overwrite UMC seed, potentially reading memory from decommissioned guest

Related
Affected
Refs
[
  {
    "defaultStatus": "affected",
    "product": "3rd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "MilanPI 1.0.0.D",
        "status": "affected",
        "version": "various",
        "versionType": "Platform Initialization"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "product": "4th Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "GenoaPI 1.0.0.C",
        "status": "affected",
        "version": "various",
        "versionType": "Platform Initialization"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "product": "AMD EPYC™ Embedded 7003",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "EmbMilanPI-SP3 1.0.0.9",
        "status": "affected",
        "version": "various",
        "versionType": "Platform Initialization"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "product": "AMD EPYC™ Embedded 9003",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "EmbGenoaPI-SP5 1.0.0.7",
        "status": "affected",
        "version": "various",
        "versionType": "Platform Initialization"
      }
    ]
  }
]

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05 Aug 2024 16:04Current
CVSS 3.16
EPSS0.00795
21