CVE-2022-50634

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> power: supply: cw2015: Fix potential null-ptr-deref in cw_bat_probe()<br /> <br /> cw_bat_probe() calls create_singlethread_workqueue() and not checked the<br /> ret value, which may return NULL. And a null-ptr-deref may happen:<br /> <br /> cw_bat_probe()<br /> create_singlethread_workqueue() # failed, cw_bat-&gt;wq is NULL<br /> queue_delayed_work()<br /> queue_delayed_work_on()<br /> __queue_delayed_work() # warning here, but continue<br /> __queue_work() # access wq-&gt;flags, null-ptr-deref<br /> <br /> Check the ret value and return -ENOMEM if it is NULL.