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.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f2e323ec96077642d397bb1c355def536d489d16
rhn.redhat.com/errata/RHSA-2015-0290.html
rhn.redhat.com/errata/RHSA-2015-0782.html
rhn.redhat.com/errata/RHSA-2015-0864.html
secunia.com/advisories/62305
www.debian.org/security/2014/dsa-3093
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
www.openwall.com/lists/oss-security/2014/11/14/7
bugzilla.redhat.com/show_bug.cgi?id=1164266
github.com/torvalds/linux/commit/f2e323ec96077642d397bb1c355def536d489d16