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Vulnerability DatabaseCVE-2022-47371

CVE-2022-47371: 
NixOS vulnerability analysis and mitigation

Overview

In the bt driver, there is a thread competition vulnerability that leads to early release of resources to be accessed, potentially causing local denial of service in the kernel. The vulnerability is tracked as CVE-2022-47371 and affects various Android versions (10.0, 11.0, 12.0) and Unisoc hardware platforms including S8000, SC7731E, SC9832E, SC9863A, T310, and T606 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The issue is classified as a Use After Free (CWE-416) vulnerability, where thread competition leads to premature resource release (NVD).

Impact

The vulnerability can result in local denial of service in the kernel, affecting system stability and availability. The CVSS score indicates that while the vulnerability requires local access and low privileges, it can have a high impact on system availability (NVD).

Mitigation and workarounds

Unisoc has released an advisory addressing this vulnerability. Users and administrators should refer to the vendor advisory for specific mitigation instructions and updates (Vendor Advisory).

Additional resources

Source: This report was generated using AI

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