CVE-2019-10528 : Security Advisory and Response

A vulnerability in the kernel of various Snapdragon platforms has been identified, potentially affecting a range of Qualcomm products and versions.

Understanding CVE-2019-10528

This CVE involves a Use After Free issue in Diag Services on multiple Qualcomm Snapdragon platforms.

What is CVE-2019-10528?

The vulnerability arises when accessing previously freed mdlog session information and its attributes after closing the session.

The Impact of CVE-2019-10528

The vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices.

Technical Details of CVE-2019-10528

The technical details of this CVE are as follows:

Vulnerability Description

The vulnerability involves a Use After Free issue in Diag Services on various Snapdragon platforms.

Affected Systems and Versions

Affected Products: Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Affected Versions: MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS405, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 675, SD 730, SD 820, SD 820A, SD 835, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24

Exploitation Mechanism

The vulnerability occurs when accessing freed mdlog session information and its attributes after closing the session.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2019-10528:

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor official sources for updates and advisories.

Long-Term Security Practices

Regularly update software and firmware on affected devices.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure timely installation of patches to mitigate the vulnerability.