> I have checked all the servers (bookworm, bullseye) that I manage, and none of them have the algif_aead module loaded. But only Trixie (and testing/Sid) are

> I have checked all the servers (bookworm, bullseye) that I manage, and none of them have the algif_aead module loaded. But only Trixie (and testing/Sid) are patched (as I type this). On Bookworm (and Bullseye), you want to add the module to list of blocked modules. It's a one-line change.