CVE-2022-38690 : What You Need to Know

A detailed overview of CVE-2022-38690 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2022-38690

In camera driver, a vulnerability exists that could result in memory corruption due to improper locking, potentially leading to a local denial of service within the kernel.

What is CVE-2022-38690?

CVE-2022-38690 involves a memory corruption issue in the camera driver of certain Unisoc products, specifically SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android 10, 11, or 12.

The Impact of CVE-2022-38690

The vulnerability could be exploited to cause a local denial of service attack on the affected devices by triggering memory corruption.

Technical Details of CVE-2022-38690

Vulnerability Description

The vulnerability is caused by improper locking in the camera driver, allowing an attacker to corrupt memory, potentially leading to a denial of service.

Affected Systems and Versions

Vendor: Unisoc (Shanghai) Technologies Co., Ltd.
Products: SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, S8000
Versions: Android 10, Android 11, Android 12

Exploitation Mechanism

An attacker could exploit this vulnerability by manipulating the improper locking mechanism in the camera driver, leading to memory corruption and a local denial of service on the affected devices.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2022-38690, users are advised to apply security updates provided by the vendor promptly.

Long-Term Security Practices

Implementing proper access controls, regular security updates, and monitoring for unusual system behavior can enhance long-term security posture.

Patching and Updates

Regularly check for security advisories from Unisoc and apply patches, updates, and fixes to address known vulnerabilities.