ghsa-xfhg-wvc5-5xpc
Vulnerability from github
Published
2025-07-06 12:30
Modified
2025-07-06 12:30
Details

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

HID: appletb-kbd: fix "appletb_backlight" backlight device reference counting

During appletb_kbd_probe, probe attempts to get the backlight device by name. When this happens backlight_device_get_by_name looks for a device in the backlight class which has name "appletb_backlight" and upon finding a match it increments the reference count for the device and returns it to the caller. However this reference is never released leading to a reference leak.

Fix this by decrementing the backlight device reference count on removal via put_device and on probe failure.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38235"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-06T10:15:24Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: appletb-kbd: fix \"appletb_backlight\" backlight device reference counting\n\nDuring appletb_kbd_probe, probe attempts to get the backlight device\nby name. When this happens backlight_device_get_by_name looks for a\ndevice in the backlight class which has name \"appletb_backlight\" and\nupon finding a match it increments the reference count for the device\nand returns it to the caller. However this reference is never released\nleading to a reference leak.\n\nFix this by decrementing the backlight device reference count on removal\nvia put_device and on probe failure.",
  "id": "GHSA-xfhg-wvc5-5xpc",
  "modified": "2025-07-06T12:30:25Z",
  "published": "2025-07-06T12:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38235"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4540e41e753a7d69ecd3f5bad51fe620205c3a18"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/751d5437112a3f387de4ef6d2d1c131068ff7627"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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