Vulnerability 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().
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6.1, < 5.10.237 |
| Debian | Debian Linux | 11.0 |
References
- https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885Patch
- https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4bPatch
- https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30Patch
- https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6Patch
- https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14Patch
- https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07Patch
- https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7Patch
- https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777ePatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2025-23144?
CVE-2025-23144 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 remo...
How severe is CVE-2025-23144?
CVE-2025-23144 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-23144?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.