This is HUGE news, I would have skimmed over "Copy Fail".
The blog post might be a better place to link to also, it has more details on the exploit.
https://xint.io/blog/copy-fail-linux-distributions
There are also some good threads on which distros are vulnerable and mitigations on the github page.
https://github.com/theori-io/copy-fail-CVE-2026-31431/issues