CVE-2019-19524 : Exploit Details and Defense Strategies

A bug known as CID-fa3a5a1880c9 exists in the drivers/input/ff-memless.c driver of the Linux kernel prior to version 5.3.12. This bug involves a use-after-free vulnerability that can be triggered by a malicious USB device.

Understanding CVE-2019-19524

This CVE identifies a use-after-free bug in the Linux kernel that can be exploited by a malicious USB device.

What is CVE-2019-19524?

CVE-2019-19524 is a vulnerability in the Linux kernel that allows for a use-after-free bug triggered by a malicious USB device in the drivers/input/ff-memless.c driver.

The Impact of CVE-2019-19524

This vulnerability can be exploited by an attacker to potentially execute arbitrary code or cause a denial of service (DoS) on affected systems.

Technical Details of CVE-2019-19524

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is a use-after-free bug in the drivers/input/ff-memless.c driver of the Linux kernel before version 5.3.12.

Affected Systems and Versions

Linux kernel versions prior to 5.3.12

Exploitation Mechanism

The vulnerability can be triggered by a malicious USB device, exploiting the use-after-free bug in the ff-memless.c driver.

Mitigation and Prevention

Protecting systems from CVE-2019-19524 requires immediate action and long-term security practices.

Immediate Steps to Take

Update the Linux kernel to version 5.3.12 or newer to mitigate the vulnerability
Monitor USB device connections for suspicious activity

Long-Term Security Practices

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

Patching and Updates

Apply security patches provided by Linux distributions and vendors