Stack-based buffer overflow in the ttusbdecfe_dvbs_diseqc_send_master_cmd function in drivers/media/usb/ttusb-dec/ttusbdecfe.c in the Linux kernel before 3.17.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via a large message length in an ioctl call.
Exploitability
AV:LAC:LAu:NImpact
C:PI:PA:C6.1/AV:L/AC:L/Au:N/C:P/I:P/A:C