CVE-2017-11063 : Security Advisory and Response

Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF utilizing the Linux kernel may experience a null pointer dereference due to a race condition between two userspace processes.

Understanding CVE-2017-11063

A null pointer dereference vulnerability affecting various Android platforms due to a race condition in userspace processes interacting with the driver.

What is CVE-2017-11063?

This CVE involves a potential null pointer dereference in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF that use the Linux kernel. The vulnerability arises from a race condition between two userspace processes concurrently interacting with the driver.

The Impact of CVE-2017-11063

The vulnerability could lead to a null pointer dereference, potentially resulting in system crashes, denial of service, or even remote code execution if exploited by malicious actors.

Technical Details of CVE-2017-11063

A brief overview of the technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from a race condition between two userspace processes interacting with the driver, leading to a null pointer dereference.

Affected Systems and Versions

Android for MSM
Firefox OS for MSM
QRD Android
All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The null pointer dereference occurs when two userspace processes concurrently interact with the driver, triggering the race condition.

Mitigation and Prevention

Steps to mitigate and prevent the CVE.

Immediate Steps to Take

Apply security patches provided by the respective vendors promptly.
Monitor vendor security bulletins for updates and advisories.
Implement strict access controls and permissions on the affected systems.

Long-Term Security Practices

Regularly update and patch all software and systems to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users on safe computing practices and awareness of potential threats.

Patching and Updates

Stay informed about security updates and patches released by Qualcomm and other relevant vendors.
Ensure timely application of patches to mitigate the vulnerability effectively.