■■■■□ CVE-2021–20226 a reference counting bug which leads to local privilege escalation in io_uring.
https://flattsecurity.medium.com/cve-2021-20226-a-reference-counting-bug-which-leads-to-local-privilege-escalation-in-io-uring-e946bd69177a
https://t.me/cKure/12094