CVE-2026-63960 usb: typec: wcove: don't write past struct pd_message in wcove_read_rx_buffer()

In the Linux kernel, the following vulnerability has been resolved: usb: typec: wcove: don't write past struct pdmessage in wcovereadrxbuffer wcovereadrxbuffer copies the PD RX FIFO into the caller's struct pdmessage with for i = 0; i regmap, USBCRXDATA + i, msg + i; which has two problems:...