CVE-2022-44447 : Vulnerability Insights and Analysis
Learn about CVE-2022-44447, a vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. products impacting Android10, Android11, Android12. Find out the impact, technical details, and mitigation strategies.
This article provides detailed information about CVE-2022-44447, a vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. products.
Understanding CVE-2022-44447
CVE-2022-44447 is a vulnerability found in the wlan driver of Unisoc products, specifically SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android10, Android11, or Android12.
What is CVE-2022-44447?
In the wlan driver of Unisoc devices, a null pointer dereference issue occurs due to a missing bounds check. This flaw can be exploited to cause a local denial of service within wlan services.
The Impact of CVE-2022-44447
Exploitation of this vulnerability could result in a denial of service condition, impacting the availability of wlan services on affected devices.
Technical Details of CVE-2022-44447
The technical details include vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability is caused by a missing bounds check in the wlan driver, leading to a null pointer dereference issue.
Affected Systems and Versions
Unisoc devices including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android10, Android11, or Android12 are affected.
Exploitation Mechanism
Attackers can trigger the vulnerability by sending specially crafted input to the wlan driver, causing a null pointer dereference and subsequent denial of service.
Mitigation and Prevention
Understanding the mitigation strategies and prevention measures for CVE-2022-44447.
Immediate Steps to Take
Users are advised to apply patches provided by Unisoc to address the vulnerability. It is crucial to keep the wlan driver up-to-date to prevent exploitation.
Long-Term Security Practices
Regularly monitor for security updates from Unisoc and follow best practices for securing wlan services on devices.
Patching and Updates
Stay informed about the release of patches for the vulnerable products and ensure timely implementation to mitigate the risk of exploitation.