CVE-2017-11075 : What You Need to Know

Android for MSM, Firefox OS for MSM, and QRD Android by Qualcomm, Inc. are affected by a use after free vulnerability in the wdsp_glink_write() function.

Understanding CVE-2017-11075

This CVE identifies a potential use after free issue in Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android.

What is CVE-2017-11075?

The vulnerability occurs in all Android releases from CAF that utilize the Linux kernel before the security patch level of 2018-04-05. It arises when cmd_pkt and reg_pkt are called from different userspace threads.

The Impact of CVE-2017-11075

The vulnerability could allow an attacker to exploit the use after free condition, potentially leading to unauthorized access or control over the affected system.

Technical Details of CVE-2017-11075

Qualcomm's Android for MSM, Firefox OS for MSM, and QRD Android are susceptible to this security issue.

Vulnerability Description

The use after free condition in the wdsp_glink_write() function poses a security risk in the affected Qualcomm products.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability arises when cmd_pkt and reg_pkt are invoked from distinct userspace threads, potentially leading to a use after free condition.

Mitigation and Prevention

To address CVE-2017-11075, follow these steps:

Immediate Steps to Take

Apply the security patch level of 2018-04-05 or later to mitigate the vulnerability.
Monitor for any unusual activity on the affected systems.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security patches are in place.
Implement access controls and user permissions to limit potential exploitation.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm and relevant vendors.
Promptly apply patches and updates to address known vulnerabilities.