Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: regulator: pca9450: Use devm_register_sys_off_handler With module test, there is error dump: ------------[ cut here ]------------ notifier callback pca9450_i2c_restart_handler already registered WARNING: kernel/notifier.c:23 at notifier_chain_register+0x5c/0x88, CPU#0: kworker/u16:3/50 Call trace: notifier_chain_register+0x5c/0x88 (P) atomic_notifier_chain_register+0x30/0x58 register_restart_handler+0x1c/0x28 pca9450_i2c_probe+0x418/0x538 i2c_device_probe+0x220/0x3d0 really_probe+0x114/0x410 __driver_probe_device+0xa0/0x150 driver_probe_device+0x40/0x114 __device_attach_driver+0xd4/0x12c So use devm_register_sys_off_handler to let kernel handle the resource free to avoid kernel dump.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 6157e62b07d9331cc1d4d9d525dab33d45b0e83c before 7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7; affected 6157e62b07d9331cc1d4d9d525dab33d45b0e83c before 447be50598c05499f7ccc2b1f6ddb3da30f8099a |
| Linux / Linux | affected 6.16; unaffected 0 before 6.16; unaffected 6.16.4 through 6.16.*; unaffected 6.17 through * |
CWE
No CWE identifiers supplied.