The random number generator has undergone a few important changes for [uptream] Linux 5.17 and 5.18, in an attempt to modernize both the code and the cryptography used. Details: https://www.zx2c4.com/projects/linux-rng-5.17-5.18/
The most visible aspect of this, and the likely reason for several bug reports, is that the size of the entropy pool went down from ~3000+ to 256. This is an intentional upstream change and NOT a bug in the Debian kernel. The 'wontfix' tag is therefor added to this bug (and therefor merged bugs). These changes have also been backported to other LTS kernels, including the 5.10 kernel used in Debian Bullseye. Almost the whole upstream 5.10.119 release consist of these changes. There have been extensive commit messages, so next to the above referenced document, ``git log v5.10.118..v5.10.119`` should give you (more) details.
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