CVEvulnerability
CVE-2025-23144
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-05-01
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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().
Affected configurations
• linux linux kernel (>= 5.6.1 < 5.10.237)
• linux linux kernel (>= 5.11 < 5.15.181)
• linux linux kernel (>= 5.16 < 6.1.136)
• linux linux kernel (>= 6.2 < 6.6.88)
• linux linux kernel (>= 6.7 < 6.12.24)
• linux linux kernel (>= 6.13 < 6.13.12)
• linux linux kernel (>= 6.14 < 6.14.3)
• linux linux kernel 5.6
• debian debian linux 11.0
References
- https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885 Patch
- https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b Patch
- https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30 Patch
- https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6 Patch
- https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14 Patch
- https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07 Patch
- https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7 Patch
- https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e Patch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Mailing List, Third Party Advisory