CVE-2022-47371 Explained : Impact and Mitigation
Learn about CVE-2022-47371, a vulnerability impacting Unisoc devices running Android 10, 11, and 12. Discover the impact, affected versions, and mitigation steps.
This article provides insights into CVE-2022-47371, a vulnerability impacting Unisoc (Shanghai) Technologies Co., Ltd. devices running specific Android versions.
Understanding CVE-2022-47371
This section delves into the details of the CVE-2022-47371 vulnerability.
What is CVE-2022-47371?
CVE-2022-47371 is a vulnerability in the bt driver of Unisoc devices. It involves a thread competition issue that can result in premature release of resources, potentially leading to a local denial of service in the kernel.
The Impact of CVE-2022-47371
The impact of this vulnerability is the local denial of service in the kernel, which could disrupt the normal operation of the affected devices.
Technical Details of CVE-2022-47371
This section provides technical specifics related to CVE-2022-47371.
Vulnerability Description
The vulnerability arises due to a thread competition in the bt driver, allowing early release of resources, which can be exploited to trigger a local denial of service attack in the kernel.
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 Android 10, 11, or 12 are impacted by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by engaging in malicious activities that trigger the premature release of resources, causing a local denial of service attack in the kernel.
Mitigation and Prevention
In response to CVE-2022-47371, it is crucial to take immediate steps and adopt long-term security practices to enhance the security posture of the affected devices.
Immediate Steps to Take
Update the affected Unisoc devices to the latest available patches provided by Unisoc to mitigate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implement robust security measures such as regular security audits, threat monitoring, and secure coding practices to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates from Unisoc and promptly apply patches to address known vulnerabilities and enhance the overall security of the devices.