CVE-2022-50415

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> parisc: led: Fix potential null-ptr-deref in start_task()<br /> <br /> start_task() calls create_singlethread_workqueue() and not checked the<br /> ret value, which may return NULL. And a null-ptr-deref may happen:<br /> <br /> start_task()<br /> create_singlethread_workqueue() # failed, led_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.