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Vulnerability DatabaseCVE-2021-39230
CVE-2021-39230:
NixOS vulnerability analysis and mitigation
Overview
Butter is a system usability utility that reported a critical kernel vulnerability in September 2021. The JPNS kernel was discontinued due to a kernel architecture error discovered on September 21, 2021, at 7:40 PM (GitHub Advisory, CISA Bulletin).
Technical details
The vulnerability was identified in the JPNS kernel architecture of Butter versions prior to 1.5. The issue was severe enough to warrant a complete discontinuation of the JPNS kernel component (GitHub Advisory).
Impact
The vulnerability was classified as High severity, affecting the system's kernel architecture. The exact impact details were not fully disclosed, but the severity of the issue led to the complete discontinuation of the affected kernel component (GitHub Advisory).
Mitigation and workarounds
The vendor recommended updating to version 1.6 or later, which implements the Trinity kernel as a replacement for the vulnerable JPNS kernel. No other workarounds were available at the time of disclosure (GitHub Advisory).
Additional resources
Source: This report was generated using AI
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