RHEL-6 is already in production phase 3, which means that only Critical impact Security Advisories and selected Urgent Priority Bug Fix Advisories may be addressed. Please see https://access.redhat.com/support/policy/updates/errata#Production_3_Phase for further information.
Since this bug does not meet the criteria, we'll close it as WONTFIX. Feel free to discuss this Bug with (Product Management)/Support Representative, if this is a critical issue for the customer/for you. Please provide business justification in such case.
This issue is fixed in Red Hat Enterprise Linux version 6+1/Fedora Rawhide/newer upstream release/is being tracked upstream.