Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2022-50371

Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
17/09/2025
Última modificación:
18/09/2025

Descripción

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> led: qcom-lpg: Fix sleeping in atomic<br /> <br /> lpg_brighness_set() function can sleep, while led&amp;#39;s brightness_set()<br /> callback must be non-blocking. Change LPG driver to use<br /> brightness_set_blocking() instead.<br /> <br /> BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580<br /> in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0<br /> preempt_count: 101, expected: 0<br /> INFO: lockdep is turned off.<br /> CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.1.0-rc1-00014-gbe99b089c6fc-dirty #85<br /> Hardware name: Qualcomm Technologies, Inc. DB820c (DT)<br /> Call trace:<br /> dump_backtrace.part.0+0xe4/0xf0<br /> show_stack+0x18/0x40<br /> dump_stack_lvl+0x88/0xb4<br /> dump_stack+0x18/0x34<br /> __might_resched+0x170/0x254<br /> __might_sleep+0x48/0x9c<br /> __mutex_lock+0x4c/0x400<br /> mutex_lock_nested+0x2c/0x40<br /> lpg_brightness_single_set+0x40/0x90<br /> led_set_brightness_nosleep+0x34/0x60<br /> led_heartbeat_function+0x80/0x170<br /> call_timer_fn+0xb8/0x340<br /> __run_timers.part.0+0x20c/0x254<br /> run_timer_softirq+0x3c/0x7c<br /> _stext+0x14c/0x578<br /> ____do_softirq+0x10/0x20<br /> call_on_irq_stack+0x2c/0x5c<br /> do_softirq_own_stack+0x1c/0x30<br /> __irq_exit_rcu+0x164/0x170<br /> irq_exit_rcu+0x10/0x40<br /> el1_interrupt+0x38/0x50<br /> el1h_64_irq_handler+0x18/0x2c<br /> el1h_64_irq+0x64/0x68<br /> cpuidle_enter_state+0xc8/0x380<br /> cpuidle_enter+0x38/0x50<br /> do_idle+0x244/0x2d0<br /> cpu_startup_entry+0x24/0x30<br /> rest_init+0x128/0x1a0<br /> arch_post_acpi_subsys_init+0x0/0x18<br /> start_kernel+0x6f4/0x734<br /> __primary_switched+0xbc/0xc4

Impacto