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Do the sysctl fix and you’re fine to wait for a patch.
Tested on Ubuntu 24.04. Security patching from Ubuntu does fix it. Scary vulnerability
It looks like the fix is just disabling the algif_aead kernel module. That prevented the proof of concept script from working on everything I tested it on. Hopefully they will get some kernel updates out soon.
They have shipped out an update mitigation for the issue. http://ubuntu.com/blog/copy-fail-vulnerability-fixes-available
sudo apt update && sudo apt upgradeand after that, also do the steps listed on that page for running
rmmodand grepping for the affected module unloaded
