CentOS Errata and Security Advisory 2009:0955
https://rhn.redhat.com/errata/RHSA-2009-0955.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/nfs-utils-1.0.6-93.EL4.s390.rpm
s390x: updates/s390x/RPMS/nfs-utils-1.0.6-93.EL4.s390x.rpm