Re: [PATCH][RFC] 2.5.44 (1/2): Filesystem capabilities kernel patch

Olaf Dietsche (olaf.dietsche#list.linux-kernel@t-online.de)
Tue, 29 Oct 2002 01:20:58 +0100


<chris@scary.beasts.org> writes:

> On Mon, 28 Oct 2002, Olaf Dietsche wrote:
>
>> If you're careful with giving away capabilities however, this patch
>> can make your system more secure as it is. But this isn't fully
>> explored, so you might achieve the opposite and open new security
>> holes.
>
> Have you checked how glibc handles an executable with filesystem
> capabilities? e.g. can an LD_PRELOAD hack subvert the privileged
> executable?

No, I didn't check. Thanks for this hint, I will look into this.

Regards, Olaf.
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