Re: [patch 1/2] [RFC] Simple tamper-proof device filesystem.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 17 Dec 2007 16:05:31 +0300
Al Boldi <[email protected]> wrote:

> Indan Zupancic wrote:
> > On Mon, December 17, 2007 01:40, Tetsuo Handa wrote:
> > I think you can better spend your time on read-only bind mounts.
> 
> That would be too coarse.
> 

Actually, who needs to create device nodes? Just prohibit everyone from
creating them, except "installer" and "udev" personality.
This means removing CAP_MKNOD on a global scale.
(OTOH, both don't need CAP_SYS_ADMIN. Maybe udev needs
CAP_SYS_MODULE...)

Now, stopping people from faking hotplug events is totally another
story. Is that currently possible?

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux