CVE-2021-47309 net: validate lwtstate->data before returning from skb_tunnel_info()

In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate-data before returning from skbtunnelinfo skbtunnelinfo returns pointer of lwtstate-data as iptunnelinfo type without validation. lwtstate-data can have various types such as mplsiptunnelencap, etc and these...

CVE-2021-47309

In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate-data before returning from skbtunnelinfo skbtunnelinfo returns pointer of lwtstate-data as iptunnelinfo type without validation. lwtstate-data can have various types such as mplsiptunnelencap, etc and these...