lkml.org 
[lkml]   [2020]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v12 8/8] x86: Disallow vsyscall emulation when CET is enabled
From
Date
On 9/18/20 12:23 PM, Yu-cheng Yu wrote:
> Emulation of the legacy vsyscall page is required by some programs
> built before 2013. Newer programs after 2013 don't use it.
> Disable vsyscall emulation when Control-flow Enforcement (CET) is
> enabled to enhance security.

How does this "enhance security"?

What is the connection between vsyscall emulation and CET?

\
 
 \ /
  Last update: 2020-09-18 21:34    [W:0.136 / U:0.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site