{"cve":"CVE-2022-50371","nvd":{"published":"2025-09-17T15:15:36.070","modified":"2026-06-17T05:23:21.563","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nled: qcom-lpg: Fix sleeping in atomic\n\nlpg_brighness_set() function can sleep, while led's brightness_set()\ncallback must be non-blocking. Change LPG driver to use\nbrightness_set_blocking() instead.\n\nBUG: sleeping function called from invalid context at kernel/locking/mutex.c:580\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0\npreempt_count: 101, expected: 0\nINFO: lockdep is turned off.\nCPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W          6.1.0-rc1-00014-gbe99b089c6fc-dirty #85\nHardware name: Qualcomm Technologies, Inc. DB820c (DT)\nCall trace:\n dump_backtrace.part.0+0xe4/0xf0\n show_stack+0x18/0x40\n dump_stack_lvl+0x88/0xb4\n dump_stack+0x18/0x34\n __might_resched+0x170/0x254\n __might_sleep+0x48/0x9c\n __mutex_lock+0x4c/0x400\n mutex_lock_nested+0x2c/0x40\n lpg_brightness_single_set+0x40/0x90\n led_set_brightness_nosleep+0x34/0x60\n led_heartbeat_function+0x80/0x170\n call_timer_fn+0xb8/0x340\n __run_timers.part.0+0x20c/0x254\n run_timer_softirq+0x3c/0x7c\n _stext+0x14c/0x578\n ____do_softirq+0x10/0x20\n call_on_irq_stack+0x2c/0x5c\n do_softirq_own_stack+0x1c/0x30\n __irq_exit_rcu+0x164/0x170\n irq_exit_rcu+0x10/0x40\n el1_interrupt+0x38/0x50\n el1h_64_irq_handler+0x18/0x2c\n el1h_64_irq+0x64/0x68\n cpuidle_enter_state+0xc8/0x380\n cpuidle_enter+0x38/0x50\n do_idle+0x244/0x2d0\n cpu_startup_entry+0x24/0x30\n rest_init+0x128/0x1a0\n arch_post_acpi_subsys_init+0x0/0x18\n start_kernel+0x6f4/0x734\n __primary_switched+0xbc/0xc4","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-667"],"references":["https://git.kernel.org/stable/c/3031993b3474794ecb71b6f969a3e60e4bda9d8a","https://git.kernel.org/stable/c/380304391fa7fb084745f26b4b9a59f4666520c1","https://git.kernel.org/stable/c/9deba7b51d5ee7a2d93fabb69f9b8189241f90e3"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2022-50371","score":0.00151,"percentile":0.04277,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}