This new kernel update has rendered the Ethernet port 'Broadcom BCM5701 driver' in Macs useless. But, this time the new kernel update has created a lot of turmoil for the Ethernet users due to some minor bugs in the incomplete kernel configuration data. It holds its security standards by providing the latest security and other relevant updates at all the latest time possible. Apple has been the top-notch company when it comes to keeping its devices secured.