CVE-2021-43413

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.

Date published : 2021-11-07

https://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.html

https://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.html