CentOS Errata and Security Advisory 2007:0969
https://rhn.redhat.com/errata/RHSA-2007-0969.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/util-linux-2.12a-17.c4.1.s390.rpm
s390x: updates/s390x/RPMS/util-linux-2.12a-17.c4.1.s390x.rpm