CVE-2022-39128 : Security Advisory and Response
Learn about CVE-2022-39128, a vulnerability in Unisoc sensor driver allowing local denial of service. Understand the impact, affected systems, and mitigation steps.
A detailed article about CVE-2022-39128 focusing on the vulnerability in Unisoc sensor driver and its impact.
Understanding CVE-2022-39128
This section provides insight into the nature of the vulnerability and its consequences.
What is CVE-2022-39128?
The CVE-2022-39128 vulnerability exists in the sensor driver of Unisoc devices, potentially leading to an out-of-bounds write issue due to missing bounds checks. Exploiting this could result in local denial of service within the kernel.
The Impact of CVE-2022-39128
The impact of this vulnerability could allow attackers to disrupt services, causing local denial of service in affected devices.
Technical Details of CVE-2022-39128
Exploring the technical aspects of the CVE-2022-39128 vulnerability to provide a deeper understanding.
Vulnerability Description
The vulnerability arises due to inadequate bounds checking in the sensor driver, facilitating an out-of-bounds write operation.
Affected Systems and Versions
Devices utilizing Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 with Android10, Android11, or Android12 are impacted by CVE-2022-39128.
Exploitation Mechanism
Exploiting this vulnerability requires local access to the device, allowing attackers to trigger the out-of-bounds write operation within the kernel.
Mitigation and Prevention
Understanding the steps to mitigate and prevent the exploitation of CVE-2022-39128.
Immediate Steps to Take
Users are advised to apply security patches provided by Unisoc promptly. Additionally, restricting access to the affected devices can help mitigate the risk.
Long-Term Security Practices
Implementing proper security measures, such as regular security updates, secure coding practices, and access controls, can enhance the long-term security of Unisoc devices.
Patching and Updates
Regularly updating the device firmware with the latest security patches from Unisoc is crucial to address the CVE-2022-39128 vulnerability.