{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-26383",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-26383",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-05T23:21:25.947Z",
    "updatedAt": "2025-09-08T13:49:58.856Z",
    "importedAt": "2026-10-24T01:56:26.894Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.",
      "affected": [
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "CezannePI-FP6 1.0.0.6",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ 4000 Series Desktop Processors",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "ComboAM4v2 PI 1.2.0.5",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "CezannePI-FP6 1.0.0.6",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "ComboAM4v2 PI 1.2.0.5",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "RenoirPI-FP6 1.0.0.7",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Ryzen™ Embedded V2000 Series Processors",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "EmbeddedPI-FP6_1.0.0.6",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ RX 5000 Series Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ RX 6000 Series Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ PRO W5000 Series Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "AMD Software: PRO Edition 23.Q1 (22.40.37.05)",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ PRO W6000 Series Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "AMD Software: PRO Edition 23.Q1 (22.40.37.05)",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Instinct™ MI210",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "ROCm 6.4",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Instinct™ MI250",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "ROCm 6.4",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ PRO V520 Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "Contact your AMD Customer Engineering representative",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ PRO V620 Graphics Products",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "Contact your AMD Customer Engineering representative",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  }
}