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CVE-2024-21977

🗓️ 05 Sep 2025 12:58:39Reported by AMDType 
cve
 cve
🔗 web.nvd.nist.gov👁 35 Views

Incomplete microcode cleanup may degrade random number generator entropy, risking SEV-SNP integrity.

Related
Detection
Affected
Refs
Vulners
Node
OR
amdepyc_7003Range<1.0.0.d
amdgenoapiRange<1.0.0.c
amdgenoapiRange<1.0.0.cseries
amdryzen_threadripper_pro_5000Range<1.0.0.8processors
amdryzen_5000Range<1.0.1.1series
amdryzen_5000_seriesRange<1.2.0.cb
amdryzen_7040Range<1.1.0.3
amdryzen_7045_mobileRange<1.0.0.3e
amdryzen_threadripper_pro_3000Range<1.0.0.8processorswx-series
amdepyc_embedded_7003Range<1.0.0.9series
amdepyc_embedded_9004Range<1.0.0.9processors9004_series
amdembam4piRange<1.0.0.75000_series
amdryzenRange<100Aembedded-pi_fp7r2
[
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD EPYC™ 7003 Series Processors",
    "versions": [
      {
        "version": "MilanPI 1.0.0.D",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD EPYC™ 9004 Series Processors",
    "versions": [
      {
        "version": "GenoaPI 1.0.0.C",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD EPYC™ 8004 Series Processors",
    "versions": [
      {
        "version": "GenoaPI 1.0.0.C",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors",
    "versions": [
      {
        "version": "ChagallWSPI-sWRX8 1.0.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "CezannePI-FP6_1.0.1.1",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "RembrandtPI-FP7/FP7r2_1.0.0.B",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM4v2 1.2.0.Cb",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 7000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM5 1.2.0.1",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "PhoenixPI-FP8-FP7_1.1.0.3",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "RembrandtPI-FP7/FP7r2_1.0.0.B",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "DragonRangeFL1 1.0.0.3e",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors",
    "versions": [
      {
        "version": "ChagallWSPI-sWRX8 1.0.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "CezannePI-FP6_1.0.1.1",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 8000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM5 1.2.0.1",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD EPYC™ Embedded 7003 Series Processors",
    "versions": [
      {
        "version": "EmbMilanPI-SP3 1.0.0.9",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD EPYC™ Embedded 9004 Series Processors",
    "versions": [
      {
        "version": "EmbGenoaPI-SP5 1.0.0.9",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded 8000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedPhoenixPI-FP7r2_1.2.0.0",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded 7000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedAM5PI 1.0.0.3",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded 5000 Series Processors",
    "versions": [
      {
        "version": "EmbAM4PI 1.0.0.7",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded V3000 Series Processors",
    "versions": [
      {
        "version": "Embedded-PI_FP7r2 100A",
        "status": "unaffected"
      }
    ]
  }
]

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17 Jun 2026 07:10Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.13.2
EPSS0.0015
SSVC
35