ghsa-p3fv-p9hp-v9h2
Vulnerability from github
Published
2025-10-04 18:31
Modified
2025-10-04 18:31
Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50474"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T16:15:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmacintosh: fix possible memory leak in macio_add_one_device()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device\u0027s\nbus_id string array\"), the name of device is allocated dynamically. It\nneeds to be freed when of_device_register() fails. Call put_device() to\ngive up the reference that\u0027s taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\n\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved.",
  "id": "GHSA-p3fv-p9hp-v9h2",
  "modified": "2025-10-04T18:31:13Z",
  "published": "2025-10-04T18:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50474"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa9054267366ff0a382d403d17728e21951ddbb9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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