CVE-2025-23144: Linux kernel · backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 23:23 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- EPSS
- 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 1 May 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
Description
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
- git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07 (opens in a new tab)
- git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14 (opens in a new tab)
- git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7 (opens in a new tab)
- git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b (opens in a new tab)
- git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6 (opens in a new tab)
- git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885 (opens in a new tab)
- git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e (opens in a new tab)
- git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/05/msg00045.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/05/msg00030.html (opens in a new tab)