{
  "schema_version": "1.4.0",
  "id": "GHSA-3fxw-xghg-85m2",
  "modified": "2022-03-30T00:01:54Z",
  "published": "2022-02-09T00:01:06Z",
  "aliases": [
    "CVE-2021-45971"
  ],
  "details": "An issue was discovered in SdHostDriver in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (CommBufferData).",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45971"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220216-0004"
    },
    {
      "type": "WEB",
      "url": "https://www.insyde.com/security-pledge"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120",
      "CWE-787"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-01-06T00:15:00Z"
  }
}