Uninitialized Kernel Memory Disclosure in Linux Kernel USB Serial Driver

CVE-2017-8924 · LOW Severity

AV:L/AC:L/AU:N/C:P/I:N/A:N

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.

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