In change_port_settings in drivers/usb/serial/io_ti.c in the Linux kernel before 4.11.3, local users could cause a denial of service by division-by-zero in the serial device layer by trying to set very high baud rates.
https://usn.ubuntu.com/3933-2/
https://usn.ubuntu.com/3933-1/
https://github.com/torvalds/linux/commit/6aeb75e6adfaed16e58780309613a578fe1ee90b
https://bugzilla.suse.com/show_bug.cgi?id=1123706
http://www.securityfocus.com/bid/106802
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6aeb75e6adfaed16e58780309613a578fe1ee90b
Source: Mitre, NVD
Published: 2019-01-31
Updated: 2019-04-17
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00082