this post was submitted on 01 Jul 2024
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They could get RasPis below 4th gen running outdated software, I guess. I think I read elsewhere that Debian already had a patch out some time ago, so that number is also likely diminishingly small.
I have no idea when I last updated my RasPi 0s (none of which is exposed to the public).
Most images and distros are just Raspbian at their core and as such are pretty easy to upgrade.
I upgraded my homebridge/pihole from Bullseye to Bookworm just a few days ago and it went off without a hitch.
Did the same with raspi3... It broke too many things for me and couldn't be restarted. I then completely reinstalled it.
Aww that sucks. To be fair I did take a full image backup before attempting the upgrade in case something went awry.
I also had a complete backup, but I was also considering reinstalling it at the time anyway. Accordingly, only partially restored data. But you should definitely make a backup, that's true.