Heap-based buffer overflow in the logi_dj_ll_raw_request function in drivers/hid/hid-logitech-dj.c in the Linux kernel before 3.16.2 allows physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that specifies a large report size for an LED report.
https://github.com/torvalds/linux/commit/51217e69697fba92a06e07e16f55c9a52d8e8945
https://code.google.com/p/google-security-research/issues/detail?id=90
https://bugzilla.redhat.com/show_bug.cgi?id=1141344
http://www.openwall.com/lists/oss-security/2014/09/11/21
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.2