#VU20807 Improper locking in Linux kernel - CVE-2019-14763

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Main Vulnerability Database Vulnerabilities #VU20807

#VU20807 Improper locking in Linux kernel - CVE-2019-14763

Published: September 3, 2019


Vulnerability identifier: #VU20807
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14763
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service attack (DoS) on the target system.

The vulnerability exists due to double-locking error in the DesignWare USB3 DRD Controller device in "drivers/usb/dwc3/gadget.c". An authenticated local user with physical access to the system can exploit this vulnerability to cause a deadlock with "f_hid", resulting in a denial of service condition.


Remediation

Install updates from vendor's website.

External links