netdev - Re: [Security] [PATCH] infinite recursion in netlink

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]

Message-ID: <20070426052912.GA17402@kroah.com>
Date:	Wed, 25 Apr 2007 22:29:12 -0700
From:	Greg KH <greg@...ah.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Alexey Kuznetsov <kuznet@....inr.ac.ru>, davem@...emloft.net,
	security@...nel.org, netdev@...r.kernel.org, jaco@...on.co.za
Subject: Re: [Security] [PATCH] infinite recursion in netlink

On Wed, Apr 25, 2007 at 01:15:12PM -0700, Linus Torvalds wrote:
> 
> 
> On Wed, 25 Apr 2007, Alexey Kuznetsov wrote:
> > 
> > Reply to NETLINK_FIB_LOOKUP messages were misrouted back to kernel,
> > which resulted in infinite recursion and stack overflow.

Wait, I just had the bright idea of actually testing this before I
pushed out a 2.6.20.9 kernel with another fix in it, and nope, still
crashes, even with this patch  :(

Full stackdump in a picture (forgot to have netconsole running) at:
	http://www.kroah.com/netlink_oops.jpg

Any thoughts?

I'll go try 2.6.21 now too...

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html