The vulnerability of the functions ip6tunnel_xmit() (from include.net/ip6_tunnel.h) and iptunnel_xmit() (from net.ipv4/ip_tunnel_core.c) in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ip6tunnelxmit function included in net/ip6tunnel.h and the iptunnelxmit function in net/ipv4/iptunnelcore.c in the Linux kernel is related to unmanaged recursion. Exploiting this vulnerability could allow an attacker to cause a service failure...