lkml.org 
[lkml]   [2017]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC, PATCH] x86_64: KAISER - do not map kernel in user mode
On Thu, May 04, 2017 at 12:02:47PM +0200, Daniel Gruss wrote:
> After several recent works [1,2,3] KASLR on x86_64 was basically considered
> dead by many researchers. We have been working on an efficient but effective
> fix for this problem and found that not mapping the kernel space when
> running in user mode is the solution to this problem [4] (the corresponding
> paper [5] will be presented at ESSoS17).

I'll try to read the paper. In the meantime: how different is your
approach from then one here?

https://lwn.net/Articles/39283/

and how different is the performance impact?

\
 
 \ /
  Last update: 2017-05-04 17:49    [W:1.168 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site