CVE-2019-19534 : Exploit Details and Defense Strategies

A vulnerability has been identified in the Linux kernel before version 5.3.11. The vulnerability resides in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver and can be exploited by a malevolent USB device. This vulnerability is categorized as CID-f7a1337f0d29 and allows for an information leakage.

Understanding CVE-2019-19534

This CVE refers to an info-leak bug in the Linux kernel before version 5.3.11 that can be exploited by a malicious USB device.

What is CVE-2019-19534?

CVE-2019-19534 is a vulnerability in the Linux kernel that allows for information leakage due to a flaw in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver.

The Impact of CVE-2019-19534

The vulnerability can be exploited by a malevolent USB device, leading to potential information leakage.

Technical Details of CVE-2019-19534

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the Linux kernel before version 5.3.11 allows for an information leakage due to a flaw in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver.

Affected Systems and Versions

Systems running Linux kernel versions before 5.3.11 are affected.

Exploitation Mechanism

The vulnerability can be exploited by a malicious USB device to trigger information leakage.

Mitigation and Prevention

Protecting systems from CVE-2019-19534 is crucial to maintaining security.

Immediate Steps to Take

Update the Linux kernel to version 5.3.11 or newer to mitigate the vulnerability.
Be cautious when connecting USB devices to prevent exploitation.

Long-Term Security Practices

Regularly update the Linux kernel and system components to patch known vulnerabilities.
Implement device control policies to restrict USB device usage.

Patching and Updates

Stay informed about security advisories and apply patches promptly to secure the system.