netdev - Re: [PATCH net-next 0/2] fix bonding neighbour setup handling

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: <51FFAD54.7090501@redhat.com>
Date:	Mon, 05 Aug 2013 15:49:08 +0200
From:	Nikolay Aleksandrov <nikolay@...hat.com>
To:	David Miller <davem@...emloft.net>
CC:	vfalico@...hat.com, netdev@...r.kernel.org, fubar@...ibm.com,
	andy@...yhouse.net, ebiederm@...ssion.com, joe@...ches.com
Subject: Re: [PATCH net-next 0/2] fix bonding neighbour setup handling

On 08/03/2013 12:45 AM, David Miller wrote:
> 
> Thanks for the detailed explanation of the situation, it made your patches
> trivial to review.
> 
> Applied, thanks.
Hi all,
Vaeceslav thanks for fixing this.
Since the cat is out of the bag about this bug, as Vaeceslav discovered it
independently and wasn't aware that there's a CVE number pending because it
poses a security threat since the dereferenced first_slave pointer is
taken from the struct vlan_dev_priv's ingress_priority map array which is
user-controllable and any memory address can be dereferenced in that way,
and taking after that first_slave->dev->netdev_ops and calling a function
from the ops is making it even easier. Of course for that to happen the
user must have CAP_NET_ADMIN.
I've tested these patches and they apply cleanly on -net as well, so please
queue them for -net and stable.

Also apologies for the late reply but it wasn't up to me when to reveal this.

Thank you,
 Nik

--
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