kernel: net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()

A vulnerability was found in the icebridgesetlink function in the Linux kernel. A missing check to verify whether the nlmsgfindattr function returns NULL or not could lead to a NULL pointer dereference, system instability, or crashes...

kernel: net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()

A vulnerability was found in the icebridgesetlink function in the Linux kernel. A missing check to verify whether the nlmsgfindattr function returns NULL or not could lead to a NULL pointer dereference, system instability, or crashes...