usbnet: Fix linkwatch use-after-free on disconnect
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.211 by commit 8b4588b8b00b299be16a35be67b331d8fdba03f3. For more details please see the references link.