Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 87d947a0607be384bfe7bb0935884a711e35ca07; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 74c7d67a3c305fc1fa03c32a838e8446fb7aee14; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before b447885ec9130cf86f355e011dc6b94d6ccfb5b7; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 1c82f5a393d8b9a5c1ea032413719862098afd4b; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 61a5c565fd2442d3128f3bab5f022658adc3a4e6; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 11d128f7eacec276c75cf4712880a6307ca9c885; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before b8ddf5107f53789448900f04fa220f34cd2f777e; affected ae232e45acf9621f2c96b41ca3af006ac7552c33 before 276822a00db3c1061382b41e72cafc09d6a0ec30 |
| Linux / Linux | affected 5.6; unaffected 0 before 5.6; unaffected 5.10.237 through 5.10.*; unaffected 5.15.181 through 5.15.*; unaffected 6.1.136 through 6.1.*; unaffected 6.6.88 through 6.6.*; unaffected 6.12.24 through 6.12.*; unaffected 6.13.12 through 6.13.*; unaffected 6.14.3 through 6.14.*; unaffected 6.15 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07
- https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14
- https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7
- https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b
- https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6
- https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885
- https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e
- https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30
ADP enrichment
No English description supplied.