CVE-2025-23144

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().

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 87d947a0607be384bfe7bb0935884a711e35ca07affected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 74c7d67a3c305fc1fa03c32a838e8446fb7aee14affected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < b447885ec9130cf86f355e011dc6b94d6ccfb5b7affected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 1c82f5a393d8b9a5c1ea032413719862098afd4baffected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 61a5c565fd2442d3128f3bab5f022658adc3a4e6affected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 11d128f7eacec276c75cf4712880a6307ca9c885affected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < b8ddf5107f53789448900f04fa220f34cd2f777eaffected
LinuxLinuxae232e45acf9621f2c96b41ca3af006ac7552c33 < 276822a00db3c1061382b41e72cafc09d6a0ec30affected
LinuxLinux5.6affected
LinuxLinux0 < 5.6unaffected
LinuxLinux5.10.237 <= 5.10.*unaffected
LinuxLinux5.15.181 <= 5.15.*unaffected
LinuxLinux6.1.136 <= 6.1.*unaffected
LinuxLinux6.6.88 <= 6.6.*unaffected
LinuxLinux6.12.24 <= 6.12.*unaffected
LinuxLinux6.13.12 <= 6.13.*unaffected
LinuxLinux6.14.3 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References