CVE-2022-50499 media: dvb-core: Fix double free in dvb_register_device()

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: Fix double free in dvbregisterdevice In function dvbregisterdevice - dvbregistermediadevice - dvbcreatemediaentity, dvb-entity is allocated and initialized. If the initialization fails, it frees the dvb-entity, a...