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CVE-2021-26381

🗓️ 10 Feb 2026 19:47:26Reported by AMDType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE-2021-26381: Improper validation in the Trusted Operating System lets a malicious driver map or unmap many pages, risking kernel memory corruption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-26381
10 Feb 202619:47
attackerkb
Amd
AMD Athlon™ and AMD Ryzen™ Processor Vulnerabilities – February 2026
10 Feb 202600:00
amd
Amd
AMD Graphics Driver Vulnerabilities – February 2026
10 Feb 202600:00
amd
CNNVD
AMD Ryzen和AMD Athlon 安全漏洞
10 Feb 202600:00
cnnvd
Cvelist
CVE-2021-26381
10 Feb 202619:47
cvelist
Hewlett-Packard
AMD Processors February 2026 Security Update
10 Feb 202600:00
hp
Hewlett-Packard
AMD Graphics Driver February 2026 Security Update
10 Feb 202600:00
hp
NVD
CVE-2021-26381
10 Feb 202620:16
nvd
Positive Technologies
PT-2026-7458
10 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2021-26381
16 Feb 202613:25
redhatcve
Rows per page
[
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors",
    "versions": [
      {
        "version": "ChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "ComboAM4v2 PI 1.2.0.5",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors",
    "versions": [
      {
        "version": "ChagallWSPI-sWRX8 1.0.0.1",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "PicassoPI-FP5 1.0.0.E",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "CezannePI-FP6 1.0.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 3000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics",
    "versions": [
      {
        "version": "RenoirPI-FP6 1.0.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 4000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM4v2 PI 1.2.0.5",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Desktop Processors",
    "versions": [
      {
        "version": "ComboAM4 V2 PI 1.2.0.8",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded R1000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedPI-FP5 1.2.0.A",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded R2000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedR2KPI-FP5_1.0.0.2",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded 5000 Series Processors",
    "versions": [
      {
        "version": "EmbAM4PI 1.0.0.2",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed \"Raven Ridge\")",
    "versions": [
      {
        "version": "EmbeddedPI-FP5 1.2.0.A",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed \"Picasso\")",
    "versions": [
      {
        "version": "120A",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded V2000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedPI-FP6_1.0.0.6",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Ryzen™ Embedded V3000 Series Processors",
    "versions": [
      {
        "version": "EmbeddedPI-FP7r2_0080",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ RX 5000 Series Graphics Products",
    "versions": [
      {
        "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ PRO W5000 Series Graphics Products",
    "versions": [
      {
        "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ PRO W6000 Series Graphics Products",
    "versions": [
      {
        "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ RX 6000 Series Graphics Products",
    "versions": [
      {
        "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ PRO V520",
    "versions": [
      {
        "version": "Contact Your AMD Customer Engineering Represenatative",
        "status": "unaffected"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "AMD",
    "product": "AMD Radeon™ PRO V620",
    "versions": [
      {
        "version": "Contact Your AMD Customer Engineering Represenatative",
        "status": "unaffected"
      }
    ]
  }
]

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15 Apr 2026 00:35Current
5.5Medium risk
Vulners AI Score5.5
CVSS 47.1
EPSS0.00007
SSVC
8