Linux kernel: Heap buffer overflow in fs_context.c since version 5.1

https://seclists.org/oss-sec/2022/q1/54

https://www.heise.de/news/Rechenfehler-im-Linux-Kernel-erlaubt-Rechteausweitung-6333365.html

https://twitter.com/ryaagard/status/1483592308352294917