Red Hat Security Advisory 2017-0004-01 – The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A flaw was found in the way the Linux kernel’s networking subsystem handled offloaded packets with multiple layers of encapsulation in the GRO code path. A remote attacker could use this flaw to trigger unbounded recursion in the kernel that could lead to stack corruption, resulting in a system crash.