CentOS Errata and Security Advisory 2009:0411
https://rhn.redhat.com/errata/RHSA-2009-0411.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/device-mapper-multipath-0.4.5-31.c4.1.s390.rpm
s390x: updates/s390x/RPMS/device-mapper-multipath-0.4.5-31.c4.1.s390x.rpm