The clie_5_attach function in drivers/usb/serial/visor.c in the Linux kernel through 4.4.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a bulk-out endpoint.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c
lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
www.debian.org/security/2016/dsa-3448
www.debian.org/security/2016/dsa-3503
www.securityfocus.com/archive/1/537733/100/0/threaded
www.securityfocus.com/bid/82975
www.ubuntu.com/usn/USN-2929-1
www.ubuntu.com/usn/USN-2929-2
www.ubuntu.com/usn/USN-2930-1
www.ubuntu.com/usn/USN-2930-2
www.ubuntu.com/usn/USN-2930-3
www.ubuntu.com/usn/USN-2932-1
www.ubuntu.com/usn/USN-2948-1
www.ubuntu.com/usn/USN-2948-2
www.ubuntu.com/usn/USN-2967-1
www.ubuntu.com/usn/USN-2967-2
bugzilla.redhat.com/show_bug.cgi?id=1283371
bugzilla.redhat.com/show_bug.cgi?id=1296466
github.com/torvalds/linux/commit/cb3232138e37129e88240a98a1d2aba2187ff57c
security-tracker.debian.org/tracker/CVE-2015-7566
www.exploit-db.com/exploits/39540/