CVE-2025-23144

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()<br /> <br /> Lockdep detects the following issue on led-backlight removal:<br /> [ 142.315935] ------------[ cut here ]------------<br /> [ 142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80<br /> ...<br /> [ 142.500725] Call trace:<br /> [ 142.503176] led_sysfs_enable+0x54/0x80 (P)<br /> [ 142.507370] led_bl_remove+0x80/0xa8 [led_bl]<br /> [ 142.511742] platform_remove+0x30/0x58<br /> [ 142.515501] device_remove+0x54/0x90<br /> ...<br /> <br /> Indeed, led_sysfs_enable() has to be called with the led_access<br /> lock held.<br /> <br /> Hold the lock when calling led_sysfs_disable().