New comment by Ypnose on void-packages repository https://github.com/void-linux/void-packages/issues/31629#issuecomment-866985461 Comment: Even though the situation is somewhat different on Ubuntu (default kernels directly ship zfs module), have you seen this [article](https://ubuntu.com/blog/zfs-licensing-and-linux) ? The full report can be also read [here](https://softwarefreedom.org/resources/2016/linux-kernel-cddl.html).