lkml.org 
[lkml]   [2019]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] fs/open: Fix most outstanding security bugs
On Mon, Apr 01, 2019 at 11:01:13AM +0200, Johannes Thumshirn wrote:
> Over the last 20 years, the Linux kernel has accumulated hundreds if not
> thousands of security vulnerabilities.
>
> One common pattern in most of these security related reports is processes
> called "syzkaller", "trinity" or "syz-executor" opening files and then
> abuse kernel interfaces causing kernel crashes or even worse threats using
> memory overwrites or by exploiting race conditions.
>
> Hunting down these bugs has become time consuming and very expensive, so
> I've decided to put an end to it.
>
> If one of the above mentioned processes tries opening a file, return -EPERM
> indicating this process does not have the permission to open files on Linux
> anymore.
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>

I think you should have credited Cisco for the idea.

https://twitter.com/RedTeamPT/status/1110843396657238016

\
 
 \ /
  Last update: 2019-04-01 13:22    [W:0.128 / U:9.780 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site