Division by zero in Linux kernel - CVE-2017-18360

 

Division by zero in Linux kernel - CVE-2017-18360

Published: February 1, 2019


Vulnerability identifier: #VU17344
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-18360
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local attacker to cause DoS condition.

The weakness exists due to a division-by-zero condition in the change_port_settings function, as defined in the drivers/usb/serial/io_ti.c source code file. A local attacker can maliciously set high baud rates and cause the targeted system to crash

How to mitigate CVE-2017-18360

Update to version 4.11.3.

Sources