Linux kernel 4.6.6 is here two weeks after the release of the fifth maintenance version in the series, bringing changes for a total of 90 files, with 920 insertions and 462 deletions. It appears to be a normal kernel update that patches various security flaws discovered recently by various kernel developers and hackers, as well as to update drivers and implement various other needed features. The sixth maintenance update of Linux kernel 4.6 introduces small fixes to the ARC, MIPS, and x86 hardware architectures, multiple core kernel and mm improvements, an updated networking stack with Ceph, wireless, and Reliable Datagram Sockets (RDS) changes, as well as improvements to the eCryptfs and EXT4 filesystems.