The following FASTBUGS have been uploaded to

http://ftp.scientificlinux.org/linux/scientific/5x/i386/updates/fastbugs/
http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/updates/fastbugs/

i386:
device-mapper-multipath-0.4.7-54.el5_9.1.i386.rpm
dhclient-3.0.5-33.el5_9.i386.rpm
dhcp-3.0.5-33.el5_9.i386.rpm
dhcp-devel-3.0.5-33.el5_9.i386.rpm
kpartx-0.4.7-54.el5_9.1.i386.rpm
libdhcp4client-3.0.5-33.el5_9.i386.rpm
libdhcp4client-devel-3.0.5-33.el5_9.i386.rpm

x86_64:
device-mapper-multipath-0.4.7-54.el5_9.1.x86_64.rpm
dhclient-3.0.5-33.el5_9.x86_64.rpm
dhcp-3.0.5-33.el5_9.x86_64.rpm
dhcp-devel-3.0.5-33.el5_9.i386.rpm
dhcp-devel-3.0.5-33.el5_9.x86_64.rpm
kpartx-0.4.7-54.el5_9.1.x86_64.rpm
libdhcp4client-3.0.5-33.el5_9.i386.rpm
libdhcp4client-3.0.5-33.el5_9.x86_64.rpm
libdhcp4client-devel-3.0.5-33.el5_9.i386.rpm
libdhcp4client-devel-3.0.5-33.el5_9.x86_64.rpm