ghsa-8qj8-x8gq-98wm
Vulnerability from github
Published
2025-03-27 18:31
Modified
2025-04-14 21:32
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()

The 'parent' returned by fwnode_graph_get_port_parent() with refcount incremented when 'prev' is not NULL, it needs be put when finish using it.

Because the parent is const, introduce a new variable to store the returned fwnode, then put it before returning from fwnode_graph_get_next_endpoint().

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49752"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-27T17:15:40Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndevice property: fix of node refcount leak in fwnode_graph_get_next_endpoint()\n\nThe \u0027parent\u0027 returned by fwnode_graph_get_port_parent()\nwith refcount incremented when \u0027prev\u0027 is not NULL, it\nneeds be put when finish using it.\n\nBecause the parent is const, introduce a new variable to\nstore the returned fwnode, then put it before returning\nfrom fwnode_graph_get_next_endpoint().",
  "id": "GHSA-8qj8-x8gq-98wm",
  "modified": "2025-04-14T21:32:23Z",
  "published": "2025-03-27T18:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49752"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39af728649b05e88a2b40e714feeee6451c3f18e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7701a4bd45c11f9a289d8f262fad05705a012339"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e75485fc589ec729cc182aa9b41dfb6c15ae6f6e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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