CVE-2019-2266 Explained : Impact and Mitigation

A potential issue of a double free in the kernel when handling the power sequence of camera sensors in various Qualcomm platforms.

Understanding CVE-2019-2266

What is CVE-2019-2266?

There is a possible double free issue in the kernel related to the power sequence of camera sensors and their sub-modules in multiple Qualcomm platforms.

The Impact of CVE-2019-2266

This vulnerability could allow an attacker to exploit the camera sensor power sequence, leading to potential security breaches and system compromise.

Technical Details of CVE-2019-2266

Vulnerability Description

The vulnerability involves a double free issue in the kernel when managing the power sequence of camera sensors and their sub-modules in various Qualcomm platforms.

Affected Systems and Versions

Affected Systems: Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
Affected Versions: APQ8053, IPQ4019, IPQ8064, MDM9206, MDM9207C, MDM9607, MSM8909, MSM8909W, Nicobar, QCA9980, QCS405, QCS605, SDM845, SDX24, SM7150

Exploitation Mechanism

The vulnerability can be exploited by manipulating the power sequence of camera sensors and their sub-modules, potentially leading to system compromise.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor Qualcomm's security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Implement network segmentation and access controls to limit exposure.

Patching and Updates

Ensure all affected systems are updated with the latest patches from Qualcomm to mitigate the vulnerability.