Linux kernel built with an Ext4 file system is vulnerable to a system hang
situation when [auto]mounting a non-journal filesystem with an orphan list
A user could use this flaw to stall the system resulting in DoS.
This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
CVE-2013-2015 was assigned to this issue.