CVE-2022-44448 : Security Advisory and Response

This article provides an overview of CVE-2022-44448, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2022-44448

CVE-2022-44448 is a vulnerability found in the wlan driver of certain Unisoc devices, which could potentially result in a local denial of service within wlan services.

What is CVE-2022-44448?

The vulnerability in the wlan driver involves a lack of parameter checks, creating a risk for local denial of service attacks in wlan services.

The Impact of CVE-2022-44448

If exploited, this vulnerability could allow attackers to disrupt wlan services locally, leading to service unavailability for affected devices.

Technical Details of CVE-2022-44448

Vulnerability Description

The vulnerability arises from the absence of adequate parameter validation in the wlan driver, enabling potential attackers to trigger a denial of service condition.

Affected Systems and Versions

Unisoc (Shanghai) Technologies Co., Ltd. devices including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android 10, 11, or 12 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the wlan driver, causing it to crash and resulting in a denial of service condition.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to apply security patches and updates provided by Unisoc promptly to address this vulnerability and prevent potential attacks.

Long-Term Security Practices

Incorporating secure coding practices and regular security assessments can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for and install firmware updates and security patches released by Unisoc to mitigate the risk of exploitation.