CVE-2019-2261 Explained : Impact and Mitigation

Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking by Qualcomm, Inc. are affected by unauthorized access vulnerability. Preventing access from the GPU subsystem to HLOS or other non-secure subsystem memory is crucial to avoid potential information disclosure.

Understanding CVE-2019-2261

This CVE involves unauthorized access from the GPU subsystem to HLOS or other non-secure subsystem memory, potentially leading to information disclosure.

What is CVE-2019-2261?

CVE-2019-2261 pertains to a vulnerability in various Qualcomm products, where preventing unauthorized access from the GPU subsystem to certain memory areas is essential to prevent sensitive information disclosure.

The Impact of CVE-2019-2261

The vulnerability can result in the potential disclosure of sensitive information due to unauthorized access from the GPU subsystem to HLOS or other non-secure subsystem memory.

Technical Details of CVE-2019-2261

This section provides technical details about the vulnerability.

Vulnerability Description

Unauthorized access from the GPU subsystem to HLOS or other non-secure subsystem memory can lead to information disclosure in the affected Qualcomm products.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
Versions: IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130

Exploitation Mechanism

The vulnerability can be exploited by gaining unauthorized access from the GPU subsystem to HLOS or other non-secure subsystem memory, potentially leading to information disclosure.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial. Here are some steps to mitigate and prevent exploitation:

Immediate Steps to Take

Apply patches provided by Qualcomm promptly.
Implement access controls to prevent unauthorized access to critical memory areas.

Long-Term Security Practices

Regularly update systems with the latest security patches.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure all affected systems are updated with the latest patches to mitigate the vulnerability.