On BIG-IP 15.0.0-15.0.1.3 14.1.0-14.1.2.3 13.1.0-13.1.3.3 12.1.0-12.1.5 and 11.6.1-11.6.5.1 under certain conditions the Intel QuickAssist Technology (QAT) cryptography driver may produce a Traffic Management Microkernel (TMM) core file.