CVE-2017-16533 : Security Advisory and Response

The function usbhid_parse in the hid-core.c file of the Linux kernel before version 4.13.8 has a vulnerability that can be exploited by local users, potentially leading to a denial of service attack or other consequences.

Understanding CVE-2017-16533

This CVE entry describes a vulnerability in the Linux kernel that could be abused by local users to disrupt system operations or cause other impacts.

What is CVE-2017-16533?

The usbhid_parse function in the Linux kernel before version 4.13.8 allows local users to trigger a denial of service attack or potentially have other unspecified impacts by utilizing a maliciously crafted USB device.

The Impact of CVE-2017-16533

The vulnerability in usbhid_parse could result in an out-of-bounds read and system crash when exploited by local users, potentially leading to a denial of service attack or other unknown consequences.

Technical Details of CVE-2017-16533

This section provides more technical insights into the CVE-2017-16533 vulnerability.

Vulnerability Description

The usbhid_parse function in the Linux kernel before 4.13.8 allows local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impacts via a crafted USB device.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by local users through the use of a specially crafted USB device to trigger the out-of-bounds read and system crash.

Mitigation and Prevention

Protecting systems from CVE-2017-16533 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security updates provided by the Linux kernel to patch the vulnerability.
Monitor and restrict USB device usage to prevent potential exploitation.

Long-Term Security Practices

Implement the principle of least privilege to limit user access and permissions.
Regularly update and maintain system security configurations to mitigate future vulnerabilities.

Patching and Updates

Ensure timely installation of security patches released by the Linux kernel to address the usbhid_parse vulnerability.