CVE-2022-50371— led: qcom-lpg: Fix sleeping in atomic
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I. Basic Information for CVE-2022-50371
Vulnerability Information
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Vulnerability Title
led: qcom-lpg: Fix sleeping in atomic
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于led_heartbeat_function可能导致睡眠操作在atomic中执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-50371
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Same Patch Batch · Linux · 2025-09-17 · 56 CVEs total
| CVE-2022-50370 | i2c: designware: Fix handling of real but unexpected device interrupts | |
| CVE-2022-50355 | staging: vt6655: fix some erroneous memory clean-up loops | |
| CVE-2022-50358 | brcmfmac: return error when getting invalid max_flowrings from dongle | |
| CVE-2022-50356 | net: sched: sfb: fix null pointer access issue when sfb_init() fails | |
| CVE-2022-50357 | usb: dwc3: core: fix some leaks in probe | |
| CVE-2022-50359 | media: cx88: Fix a null-ptr-deref bug in buffer_prepare() | |
| CVE-2022-50354 | drm/amdkfd: Fix kfd_process_device_init_vm error handling | |
| CVE-2022-50367 | fs: fix UAF/GPF bug in nilfs_mdt_destroy | |
| CVE-2022-50368 | drm/msm/dsi: fix memory corruption with too many bridges | |
| CVE-2022-50369 | drm/vkms: Fix null-ptr-deref in vkms_release() | |
| CVE-2022-50366 | powercap: intel_rapl: fix UBSAN shift-out-of-bounds issue | |
| CVE-2022-50372 | cifs: Fix memory leak when build ntlmssp negotiate blob failed | |
| CVE-2022-50373 | fs: dlm: fix race in lowcomms | |
| CVE-2022-50374 | Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure | |
| CVE-2023-53335 | RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish() | |
| CVE-2023-53336 | media: ipu-bridge: Fix null pointer deref on SSDB/PLD parsing warnings | |
| CVE-2023-53337 | nilfs2: do not write dirty data after degenerating to read-only | |
| CVE-2023-53338 | lwt: Fix return values of BPF xmit ops | |
| CVE-2023-53339 | btrfs: fix BUG_ON condition in btrfs_cancel_balance | |
| CVE-2023-53340 | net/mlx5: Collect command failures data only for known commands |
Showing top 20 of 56 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2022-50371
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