Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2022-2832
CVE-2022-2832:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-2832 is a vulnerability discovered in Blender 3.3.0, specifically affecting the source/blender/gpu/opengl/gl_backend.cc component. The vulnerability was identified and disclosed in August 2022, involving a null pointer dereference that could potentially compromise system confidentiality and integrity (NVD, CVE).
Technical details
The vulnerability manifests as a null pointer dereference in the OpenGL backend component of Blender, specifically within the source/blender/gpu/opengl/gl_backend.cc file. The issue occurs particularly when using the headless build of Blender with certain rendering options (Blender Task).
Impact
The vulnerability could potentially lead to loss of confidentiality and integrity of the system. When triggered, it causes the application to crash during rendering operations, particularly affecting headless builds of Blender (NVD).
Mitigation and workarounds
The issue was resolved through a patch that implements proper error handling instead of crashing when rendering with headless builds. The fix includes a new function called GPUbackendinitonce() and disables the bgl Python module when building WITHHEADLESS (Blender Commit).
Additional resources
Source: This report was generated using AI
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