kernel: ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv The Linux kernel CVE team has assigned CVE-2024-26641 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/[email protected]/T...