CVE-2019-19527 : Vulnerability Insights and Analysis

The Linux kernel prior to version 5.2.10 contains a use-after-free vulnerability located in the drivers/hid/usbhid/hiddev.c driver. This vulnerability, identified as CID-9c09b214f30e, can be exploited by a malevolent USB device.

Understanding CVE-2019-19527

This CVE refers to a specific vulnerability in the Linux kernel that could be exploited by a malicious USB device.

What is CVE-2019-19527?

CVE-2019-19527 is a use-after-free bug in the Linux kernel, specifically in the drivers/hid/usbhid/hiddev.c driver, allowing exploitation by a malevolent USB device.

The Impact of CVE-2019-19527

This vulnerability could lead to a security breach by allowing a malicious USB device to execute arbitrary code on the affected system, potentially compromising its integrity.

Technical Details of CVE-2019-19527

This section provides more technical insights into the CVE.

Vulnerability Description

The use-after-free bug in the Linux kernel before version 5.2.10 can be triggered by a malicious USB device, posing a security risk.

Affected Systems and Versions

The Linux kernel versions prior to 5.2.10 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a malevolent USB device to execute arbitrary code on the target system.

Mitigation and Prevention

Protecting systems from CVE-2019-19527 requires immediate action and long-term security practices.

Immediate Steps to Take

Update the Linux kernel to version 5.2.10 or newer to mitigate the vulnerability.
Avoid connecting untrusted USB devices to the system to prevent exploitation.

Long-Term Security Practices

Regularly update the kernel and system software to patch known vulnerabilities.
Implement device control policies to restrict USB device usage on critical systems.

Patching and Updates

Stay informed about security updates and apply patches promptly to safeguard against potential threats.