linux-kernel - Re: System call interposition/unprotecting the table

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 14 Aug 2007 07:22:31 -0700 (PDT)
From:	James Morris <jmorris@...ei.org>
To:	Avi Kivity <avi@...o.co.il>
cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, hinoue@...l.carleton.ca,
	linux-kernel@...r.kernel.org
Subject: Re: System call interposition/unprotecting the table

On Tue, 14 Aug 2007, Avi Kivity wrote:

> Alan Cox wrote:
> > This is to protect it from being changed by an attacker or someone trying
> > to do strange and bogus things to the kernel.
> >   
> 
> Someone who apparently hasn't heard of vmap(), etc.
> 
> It's a debug aid at best.

It clarifies to all developers that the syscall table should not be messed 
with.


- James
-- 
James Morris
<jmorris@...ei.org>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/