netdev - Re: [PATCH net-next-2.6] netlink: 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: <20100725.215548.112589000.davem@davemloft.net>
Date:	Sun, 25 Jul 2010 21:55:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	johannes@...solutions.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] netlink: netlink_recvmsg() fix

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 21 Jul 2010 10:43:55 +0200

> [PATCH net-next-2.6 v3] netlink: netlink_recvmsg() fix
> 
> commit 1dacc76d0014 
> (net/compat/wext: send different messages to compat tasks)
> introduced a race condition on netlink, in case MSG_PEEK is used.
> 
> An skb given by skb_recv_datagram() might be shared, we must copy it
> before any modification, or risk fatal corruption.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied, thanks Eric.
--
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