The following errata for CentOS-2 have been built and uploaded to the centos mirror:

RHSA-2005:782-01 Moderate: util-linux and mount security update

Files available: losetup-2.11g-9.i386.rpm mount-2.11g-9.i386.rpm util-linux-2.11f-20.8.i386.rpm

More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html

The easy way to make sure you are up to date with all the latest patches is to run: # yum update