The patches are out for centos 5/6/7 and you can install them simply by the normal update command.
yum update
and then restarting.
To check the patches are installed run:
rpm -q –changelog kernel | egrep ‘CVE-2017-5715|CVE-2017-5753|CVE-2017-5754’
and make sure you have entries for all three CVE numers.