The edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.
Exploitability
AV:PAC:LPR:NUI:NScope
S:UImpact
C:HI:NA:N4.6/CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N