GHSA-4JQ9-RX3W-P8VG

Vulnerability from github – Published: 2025-05-01 15:31 – Updated: 2025-11-10 21:30
VLAI
Details

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

siox: fix possible memory leak in siox_device_add()

If device_register() returns error in siox_device_add(), the name allocated by dev_set_name() need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanup(), and sdevice is freed in siox_device_release(), set it to null in error path.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2022-49836"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:07Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsiox: fix possible memory leak in siox_device_add()\n\nIf device_register() returns error in siox_device_add(),\nthe name allocated by dev_set_name() need be freed. As\ncomment of device_register() says, it should use put_device()\nto give up the reference in the error path. So fix this\nby calling put_device(), then the name can be freed in\nkobject_cleanup(), and sdevice is freed in siox_device_release(),\nset it to null in error path.",
  "id": "GHSA-4jq9-rx3w-p8vg",
  "modified": "2025-11-10T21:30:28Z",
  "published": "2025-05-01T15:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49836"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a5da069603ecc3d7aa09167450235462adaa295"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d03c2911c529ea4d6ebfec53425f1091e8d402b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e63153db50059fb78b8a8447b132664887d24e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4b5423f88a17a36550ae8c16c46779b1ee42f4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d9c31e728843259209fb530c59995e4fe262699f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f9fe7ba4ea5b24ffdf8e125f660aca3ba4a147fb"
    }
  ],
  "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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