Yep, the specific reason was that in general, this does not need to be available, and only exposes memory that could contain very sensitive data.
Only certain portions of /proc/kcore are readable, and that is just to allow things like Xorg to work. ** Changed in: linux-source-2.6.15 (Ubuntu) Status: Unconfirmed => Rejected -- /proc/kcore not openable https://launchpad.net/bugs/55804 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs