This bug has been copied from bug #580855 and has been proposed to be backported to 5.5 z-stream (EUS).
*** Bug 593251 has been marked as a duplicate of this bug. ***
I have just verified, the patch from https://bugzilla.redhat.com/show_bug.cgi?id=580855 fixes the problem
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/RHBA-2010-0436.html