Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices

{
  "id": "96d10fc8bdcf02e990daae39aa7b541d41a9e156f77ee317009d5789ec39d90d",
  "url": "https://osv.dev/vulnerability/CVE-2024-22473",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices",
    "summary": "TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.",
    "evidence": "osv:CVE-2024-22473",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-22473",
      "aliases": [
        "CVE-2024-22473"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/siliconlabs/gecko_sdk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "124fa19de8c8b3961d21c20857f7df32239786da"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.3.2",
            "v4.4.0",
            "v4.3.1",
            "v4.2.3",
            "v4.3.0",
            "v4.2.2",
            "v4.2.1",
            "v4.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-22473.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:44.570364888Z",
      "provider": "osv",
      "references": [
        "https://community.silabs.com/068Vm000001FrjT",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/22xxx/CVE-2024-22473.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-22473",
        "https://github.com/SiliconLabs/gecko_sdk/releases"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1279",
          "CWE-331"
        ],
        "cna_assigner": "Silabs",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/22xxx/CVE-2024-22473.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-22473",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 512543,
  "published_at": "2024-02-21T18:13:10.241+00:00"
}