CVE-2026-43342 usb: gadget: f_rndis: Protect RNDIS options with mutex

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...