bus: mhi: host: Fix controller cleanup on EDL sysfs failure

{
  "id": "f4aaaa560b804b58cdfb032b870bbb3267a9729d40fd358b8e264e58e184409e",
  "url": "https://osv.dev/vulnerability/CVE-2026-90402",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "bus: mhi: host: Fix controller cleanup on EDL sysfs failure",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Fix controller cleanup on EDL sysfs failure mhi_register_controller() adds the controller device before creating the optional trigger_edl sysfs file. If sysfs_create_file() fails, the error path only drops the device reference and leaves the device registered. Hence, call device_del() in the error path before put_device().",
    "evidence": "osv:CVE-2026-90402",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.110",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.52",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-90402",
      "aliases": [
        "CVE-2026-90402"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
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              "type": "GIT",
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                  "fixed": "4743959aa8d876b5b456a62e8a62eb770db7afe9"
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                  "fixed": "0d5b9e66591d4e2a4376ac82c8cda889a29ba3ee"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90402.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.10.0"
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                  "fixed": "6.12.110"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.13.0"
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                {
                  "fixed": "6.18.52"
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
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                {
                  "fixed": "7.2.6"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90402.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.626638970Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0d5b9e66591d4e2a4376ac82c8cda889a29ba3ee",
        "https://git.kernel.org/stable/c/4743959aa8d876b5b456a62e8a62eb770db7afe9",
        "https://git.kernel.org/stable/c/4fb17a7c437f145353e93e6a9791f6db70e1cc63",
        "https://git.kernel.org/stable/c/7943dc67250fad6ceac0dd089c6ad5776e4be71d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90402.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-90402",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90402.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-90402",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495452,
  "published_at": "2026-09-17T16:09:32.194+00:00"
}