The udf_read_inode function in fs/udf/inode.c in the Linux kernel before 3.18.2 does not ensure a certain data-structure size consistency, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.
https://github.com/torvalds/linux/commit/e159332b9af4b04d882dbcfe1bb0117f0a6d4b58
https://bugzilla.redhat.com/show_bug.cgi?id=1228229
http://www.securityfocus.com/bid/74964
http://www.openwall.com/lists/oss-security/2015/06/02/7
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html