Messages in this thread | | | Date | Tue, 9 Apr 2013 11:31:45 -0700 | Subject | Re: [kernel-hardening] Re: [PATCH] x86: make IDT read-only | From | Kees Cook <> |
| |
On Tue, Apr 9, 2013 at 11:26 AM, H. Peter Anvin <hpa@zytor.com> wrote: > On 04/09/2013 11:22 AM, Kees Cook wrote: >> >> $ ./sgdt >> ffff88001fc04000 >> # cat /sys/kernel/debug/kernel_page_tables >> ... >> ---[ Low Kernel Mapping ]--- >> ... >> 0xffff880001e00000-0xffff88001fe00000 480M RW PSE GLB NX pmd >> > > That is the 1:1 memory map area...
Meaning what?
-Kees
-- Kees Cook Chrome OS Security
| |