The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel before 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2
http://www.openwall.com/lists/oss-security/2015/06/02/7
http://www.securityfocus.com/bid/74964
https://bugzilla.redhat.com/show_bug.cgi?id=1228229
https://github.com/torvalds/linux/commit/e237ec37ec154564f8690c5bd1795339955eeef9
Source: MITRE
Published: 2015-08-31
Updated: 2016-12-22
Type: NVD-CWE-noinfo
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM