CVE-2019-10536 Explained : Impact and Mitigation

A potential risk exists in various Qualcomm Snapdragon platforms due to a double free scenario that may occur under specific conditions.

Understanding CVE-2019-10536

This CVE involves a vulnerability that affects multiple Qualcomm Snapdragon platforms and chipsets.

What is CVE-2019-10536?

The vulnerability arises from a situation where a driver may encounter a double free scenario if it receives a certain event from the firmware, leading to a pointer not being properly initialized.

The Impact of CVE-2019-10536

The vulnerability affects a wide range of Qualcomm Snapdragon platforms and chipsets, potentially allowing attackers to exploit the double free issue in WLAN hosts.

Technical Details of CVE-2019-10536

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability stems from a driver not properly initializing a pointer to NULL during the first call, which can lead to a double free scenario under specific conditions.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
Affected Versions: APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, MSM8998, Nicobar, QCA6174A, QCA6574AU, QCA8081, QCA9377, QCA9379, QCN7605, QCS405, QCS605, SDA660, SDA845, SDM450, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

The vulnerability can be exploited if the driver receives a specific event from the firmware, triggering the double free scenario due to the pointer not being properly initialized.

Mitigation and Prevention

Protect your systems from CVE-2019-10536 with the following steps:

Immediate Steps to Take

Apply patches and updates provided by Qualcomm.
Monitor vendor security bulletins for relevant information.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit potential attack surfaces.

Patching and Updates

Stay informed about security updates and patches released by Qualcomm.