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().
Metrics
Affected Vendors & Products
References
History
Thu, 29 May 2025 19:30:00 +0000
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Weaknesses | CWE-413 | |
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cvssV3_1
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cvssV3_1
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Fri, 02 May 2025 14:45:00 +0000
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Metrics |
threat_severity
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cvssV3_1
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Fri, 02 May 2025 06:30:00 +0000
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Thu, 01 May 2025 13:15:00 +0000
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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(). | |
Title | backlight: led_bl: Hold led_access lock when calling led_sysfs_disable() | |
References |
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Status: PUBLISHED
Assigner: Linux
Published: 2025-05-01T12:55:33.985Z
Updated: 2025-05-26T05:19:23.987Z
Reserved: 2025-01-11T14:28:41.512Z
Link: CVE-2025-23144

No data.

Status : Awaiting Analysis
Published: 2025-05-01T13:15:50.237
Modified: 2025-05-02T13:53:20.943
Link: CVE-2025-23144
