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.
http://www.securityfocus.com/bid/106802
https://bugzilla.suse.com/show_bug.cgi?id=1123706
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.3
https://github.com/torvalds/linux/commit/6aeb75e6adfaed16e58780309613a578fe1ee90b
Source: MITRE
Published: 2019-01-31
Updated: 2019-04-17
Type: CWE-369
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
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
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM