CVE-2026-99066 can: dev: init_can_skb(): restore skb header initialization

The Linux kernel contains a vulnerability in the CAN (Controller Area Network) subsystem related to how skb headers are initialized. Specifically, commit 9f10374bb024 removed necessary calls to skb_reset_mac_header(), skb_reset_network_header(), and skb_reset_transport_header() within init_can_sk...