drivers/hid/hid-picolcd_core.c in the Human Interface Device (HID) subsystem in the Linux kernel through 3.11, when CONFIG_HID_PICOLCD is enabled, allows physically proximate attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted device.
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.73
http://www.ubuntu.com/usn/USN-2050-1
http://www.ubuntu.com/usn/USN-2039-1
http://www.ubuntu.com/usn/USN-2038-1
http://www.ubuntu.com/usn/USN-2024-1
http://www.ubuntu.com/usn/USN-2022-1
http://www.ubuntu.com/usn/USN-2021-1
http://www.ubuntu.com/usn/USN-2019-1
http://www.ubuntu.com/usn/USN-1998-1
http://www.ubuntu.com/usn/USN-1995-1
http://openwall.com/lists/oss-security/2013/08/28/13
http://marc.info/?l=linux-input&m=137772191714649&w=1
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html