It’s recommended to avoid using the open-source NVIDIA ‘Nouveau’ graphics driver on the current stable Linux 6.3 series as there is a serious bug present that could cause varying issues to your system.
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There is a use-after-free issue within the Nouveau DRM kernel driver and it can cause corruption of kernel memory. Use-after-free issues are also a potential security vulnerability but it’s possible this corrupted kernel memory could lead to file-system corruption or other system issues.
When I recently did a fresh Manjaro install, it offered to load the Live CD with proprietary drivers. When I installed that way, nVidia proprietary was pre-installed. I guess they’re learning from PopOS.