# CVE-2022-50371: linux: In the Linux kernel, the following vulnerability has been resolved:  led: qcom-lpg: Fix sleeping in atomic  lpg_brigh...

CVE-2022-50371 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50371, released September 17, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50371
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 17, 2025

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.4-1 | [DEBIAN-CVE-2022-50371](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50371.md) | Sep 17, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.4-1 | [DEBIAN-CVE-2022-50371](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50371.md) | Sep 17, 2025 |
| Linux | linux Debian 14 | 6.1.4-1 | [DEBIAN-CVE-2022-50371](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50371.md) | Sep 17, 2025 |

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