CVE-2019-14072 : Vulnerability Insights and Analysis

An issue of unhandled paging request has been observed in various Qualcomm Snapdragon platforms, including Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables. This issue arises from the dereferencing of a previously freed object, resulting from a race condition between sparse free and sparse bind ioctls. The affected platforms include APQ8009, APQ8096AU, APQ8098, MDM9607, MSM8909W, MSM8939, MSM8953, MSM8996AU, Nicobar, QCS405, QCS605, Rennell, SA6155P, Saipan, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, and SXR2130.

Understanding CVE-2019-14072

An issue of unhandled paging request due to a race condition in Qualcomm Snapdragon platforms.

What is CVE-2019-14072?

Unhandled paging request issue in various Qualcomm Snapdragon platforms
Arises from dereferencing a freed object due to race condition between sparse free and sparse bind ioctls

The Impact of CVE-2019-14072

Allows attackers to exploit race conditions and potentially execute arbitrary code
May lead to system crashes, data leaks, or unauthorized access

Technical Details of CVE-2019-14072

Qualcomm Snapdragon platforms affected by unhandled paging request issue.

Vulnerability Description

Issue of unhandled paging request due to race condition
Results from dereferencing a freed object

Affected Systems and Versions

Platforms: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables
Versions: APQ8009, APQ8096AU, APQ8098, MDM9607, MSM8909W, MSM8939, MSM8953, MSM8996AU, Nicobar, QCS405, QCS605, Rennell, SA6155P, Saipan, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

Race condition between sparse free and sparse bind ioctls
Accessing the same physical entry

Mitigation and Prevention

Steps to address and prevent the CVE-2019-14072 vulnerability.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm
Monitor for any unusual system behavior
Implement network segmentation to limit attack surface

Long-Term Security Practices

Regularly update software and firmware on affected devices
Conduct security assessments and penetration testing
Educate users on safe computing practices

Patching and Updates

Check Qualcomm's security bulletins for specific patches
Ensure timely installation of security updates