Linux 4.20.14 - Virtual Address 0 is Mappable via Privileged write() to proc*mem

Linux 4.20.14 - Virtual Address 0 is Mappable via Privileged write to procmem By following the codepath that Andrea Arcangeli pointed out in his mails regarding the last bug I reported, I noticed that it is possible for userspace on a normal distro to map virtual address 0, which on an X86 system...