CVE-2019-14763 : Security Advisory and Response
Learn about CVE-2019-14763, a vulnerability in the Linux kernel before version 4.16.4, potentially causing a deadlock scenario with f_hid. Find mitigation steps and update information here.
A potential issue in the Linux kernel prior to version 4.16.4, specifically in the drivers/usb/dwc3/gadget.c file, involving a double-locking error that can lead to a deadlock scenario with f_hid.
Understanding CVE-2019-14763
This CVE involves a specific vulnerability in the Linux kernel that could potentially result in a deadlock situation.
What is CVE-2019-14763?
CVE-2019-14763 is a double-locking error found in the drivers/usb/dwc3/gadget.c file of the Linux kernel before version 4.16.4. This error may trigger a deadlock scenario with f_hid.
The Impact of CVE-2019-14763
The vulnerability could allow an attacker to exploit the double-locking error, potentially leading to a deadlock situation with f_hid, impacting system stability and performance.
Technical Details of CVE-2019-14763
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The issue lies in a double-locking error within the drivers/usb/dwc3/gadget.c file of the Linux kernel before version 4.16.4, which could result in a deadlock with f_hid.
Affected Systems and Versions
- Systems running Linux kernel versions prior to 4.16.4
Exploitation Mechanism
- Exploiting the double-locking error in the drivers/usb/dwc3/gadget.c file
Mitigation and Prevention
Protecting systems from CVE-2019-14763 is crucial to maintaining security.
Immediate Steps to Take
- Update the Linux kernel to version 4.16.4 or newer
- Monitor vendor advisories for patches and updates
Long-Term Security Practices
- Regularly update and patch the Linux kernel and related components
- Implement security best practices and configurations
Patching and Updates
- Apply patches provided by the Linux kernel maintainers