CVE-2022-39106 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-39106, a vulnerability reported in Unisoc sensor driver that could lead to local denial of service in the kernel.

Understanding CVE-2022-39106

This section delves into the specifics of the vulnerability and its potential impact.

What is CVE-2022-39106?

The vulnerability in the Unisoc sensor driver is caused by a missing bounds check, resulting in a possible out-of-bounds write. This flaw could be exploited to trigger a local denial of service within the kernel.

The Impact of CVE-2022-39106

The impact of this vulnerability is the potential for local denial of service within the kernel, affecting the stability and performance of the system.

Technical Details of CVE-2022-39106

Here we explore the technical aspects of the CVE-2022-39106 vulnerability.

Vulnerability Description

The vulnerability arises from a missing bounds check in the Unisoc sensor driver, leading to an out-of-bounds write scenario that could be maliciously exploited.

Affected Systems and Versions

The Unisoc products affected by this vulnerability include SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, S8000 running Android 10, 11, and 12.

Exploitation Mechanism

The vulnerability could be exploited by an attacker to perform a local denial of service attack within the kernel, impacting system stability.

Mitigation and Prevention

In this section, we outline steps to mitigate and prevent the exploitation of CVE-2022-39106.

Immediate Steps to Take

Users are advised to apply patches provided by Unisoc promptly to address the vulnerability and enhance system security.

Long-Term Security Practices

Implementing strict input validation checks and regular security updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from Unisoc and ensure timely patching to protect systems from exploitation.