On 7/1/19 3:43 PM, Francois Ozog wrote:
I hope somebody in the kernel community is looking at making sure the piece
of memory is RO:
https://wikileaks.org/ciav7p1/cms/page_36896783.html
Anyone knows about that?
The BootServices table is set up by the UEFI firmware, e.g. EDK2 or
U-Boot. Write protecting this table would not protect the kernel. Any
driver loaded can use CreateEvent() to register a notification function
to be called when ExitBootServices() is invoked.
Regards
Heinrich
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