This bug has been copied from bug #483617 and has been proposed to be backported to 5.3 z-stream (EUS).
Already fixed in 5.4/upstream, so here is a devel ACK.
in kernel-2.6.18-128.1.3.el5
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-0326.html