kernel: ipvlan: add ipvlan_route_v6_outbound() helper

In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlanroutev6outbound helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlanprocessv6outbound by moving the flowi6 struct used for the route lookup in an non...

PT-2024-14752

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.52-syzkaller Description The vulnerability is related to the ipvlan module in the Linux kernel. It was discovered through syzbot reports using a stack of multiple ipvlan devices. The issue arises from the nee...