ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.249 by commit 6c4e3486d21173d60925ef52e512cae727b43d30. For more details please see the references link.