ghsa-3cfh-wr8w-8mhf
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-11-06 18:32
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:

backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()

Lockdep detects the following issue on led-backlight removal: [ 142.315935] ------------[ cut here ]------------ [ 142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80 ... [ 142.500725] Call trace: [ 142.503176] led_sysfs_enable+0x54/0x80 (P) [ 142.507370] led_bl_remove+0x80/0xa8 [led_bl] [ 142.511742] platform_remove+0x30/0x58 [ 142.515501] device_remove+0x54/0x90 ...

Indeed, led_sysfs_enable() has to be called with the led_access lock held.

Hold the lock when calling led_sysfs_disable().

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-23144"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T13:15:50Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbacklight: led_bl: Hold led_access lock when calling led_sysfs_disable()\n\nLockdep detects the following issue on led-backlight removal:\n  [  142.315935] ------------[ cut here ]------------\n  [  142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80\n  ...\n  [  142.500725] Call trace:\n  [  142.503176]  led_sysfs_enable+0x54/0x80 (P)\n  [  142.507370]  led_bl_remove+0x80/0xa8 [led_bl]\n  [  142.511742]  platform_remove+0x30/0x58\n  [  142.515501]  device_remove+0x54/0x90\n  ...\n\nIndeed, led_sysfs_enable() has to be called with the led_access\nlock held.\n\nHold the lock when calling led_sysfs_disable().",
  "id": "GHSA-3cfh-wr8w-8mhf",
  "modified": "2025-11-06T18:32:43Z",
  "published": "2025-05-01T15:31:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-23144"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "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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