fkie_cve-2025-23144
Vulnerability from fkie_nvd
Published
2025-05-01 13:15
Modified
2025-11-06 17:39
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777ePatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.6
linux linux_kernel 5.6
linux linux_kernel 5.6
linux linux_kernel 5.6
debian debian_linux 11.0


To clipboard 

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  "descriptions": [
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      "lang": "en",
      "value": "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()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: backlight: led_bl: Mantener el bloqueo de led_access al llamar a led_sysfs_disable() Lockdep detecta el siguiente problema al eliminar la retroiluminaci\u00f3n LED: [ 142.315935] ------------[ cortar aqu\u00ed ]------------ [ 142.315954] ADVERTENCIA: CPU: 2 PID: 292 en drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80 ... [ 142.500725] Rastreo de llamada: [ 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 ... De hecho, led_sysfs_enable() debe llamarse con el bloqueo de led_access activado. Mantenga el bloqueo al llamar a led_sysfs_disable()."
    }
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  "id": "CVE-2025-23144",
  "lastModified": "2025-11-06T17:39:57.367",
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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      "source": "nvd@nist.gov",
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}


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