The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.
rhn.redhat.com/errata/RHSA-2016-2605.html
www-01.ibm.com/support/docview.wss?uid=isg3T1024543
www-01.ibm.com/support/docview.wss?uid=nas8N1021801
www.openwall.com/lists/oss-security/2016/07/11/2
www.securityfocus.com/bid/91683
www.securitytracker.com/id/1036272
git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=7164a1c3