lkml.org 
[lkml]   [2010]   [Nov]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking
On 11/29/2010 11:21 AM, Eric Paris wrote:
>>
>> Delegating CAP_SYS_ADMIN, of course, otherwise known as "everything", is
>> worse than anything...
>
> Serge just proposed a new CAP_SYSLOG
>
> http://lwn.net/Articles/378472/
>
> Which could probably still be renamed and used to cover this access as well....
>

Quite frankly, the Linux capability system is largely a mess, with big
bundled capacities that don't make much sense and are hideously
inconvenient with the capability system used in user space (groups).
For things like this that genuinely has a file node, *let's use it* and
allow permissions to be controlled by the file node!

-hpa


\
 
 \ /
  Last update: 2010-11-29 20:41    [W:0.036 / U:5.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site