The following FASTBUGS have been uploaded to

http://ftp.scientificlinux.org/linux/scientific/6x/i386/updates/fastbugs/
http://ftp.scientificlinux.org/linux/scientific/6x/x86_64/updates/fastbugs/
i386:
6x/i386/chrony-2.1.1-2.el6_8.i686.rpm

x86_64:
6x/x86_64/chrony-2.1.1-2.el6_8.x86_64.rpm