macintosh: fix possible memory leak in macio_add_one_device()

{
  "id": "cfc037ca8f2579e9f916440e9cb96b339b8285b6d6d933c9fd0ac29475122676",
  "url": "https://osv.dev/vulnerability/CVE-2022-50474",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "macintosh: fix possible memory leak in macio_add_one_device()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: macintosh: fix possible memory leak in macio_add_one_device() Afer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's bus_id string array\"), the name of device is allocated dynamically. It needs to be freed when of_device_register() fails. Call put_device() to give up the reference that's taken in device_initialize(), so that it can be freed in kobject_cleanup() when the refcount hits 0. macio device is freed in macio_release_dev(), so the kfree() can be removed.",
    "evidence": "osv:CVE-2022-50474",
    "products": [
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    "severity": "unknown",
    "structured": {
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      "aliases": [
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      "modified": "2026-10-28T02:30:23.529256518Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b",
        "https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef",
        "https://git.kernel.org/stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c",
        "https://git.kernel.org/stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03",
        "https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515",
        "https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015",
        "https://git.kernel.org/stable/c/aa9054267366ff0a382d403d17728e21951ddbb9",
        "https://git.kernel.org/stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748",
        "https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50474.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50474",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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    "security_relevant": true,
    "severity_evidence": null
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  "source_id": "core-osv",
  "document_id": 489850,
  "published_at": "2025-10-04T15:16:35.537+00:00"
}