From: Marcel Holtmann <marcel@holtmann.org>
To: David Miller <davem@davemloft.net>
Cc: dhowells@redhat.com, akpm@osdl.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org,
kaber@trash.net
Subject: Re: [PATCH 1/5] [NETLINK]: Fix use after free in netlink_recvmsg
Date: Thu, 03 May 2007 14:27:16 +0200 [thread overview]
Message-ID: <1178195236.6891.58.camel@violet> (raw)
In-Reply-To: <20070503.032714.11077929.davem@davemloft.net>
Hi Dave,
> > When the user passes in MSG_TRUNC the skb is used after getting freed.
> >
> > Signed-off-by: Patrick McHardy <kaber@trash.net>
> > Signed-off-by: David Howells <dhowells@redhat.com>
>
> Ugh, good catch, applied :-)
it seems this could be easily exploited and is at least a local DoS. It
should be a candidate for the -stable kernel.
Regards
Marcel
next prev parent reply other threads:[~2007-05-03 12:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-03 9:53 [PATCH 1/5] [NETLINK]: Fix use after free in netlink_recvmsg David Howells
2007-05-03 9:53 ` [PATCH 2/5] [AFS]: Fix memory leak in SRXAFSCB_GetCapabilities David Howells
2007-05-03 10:27 ` David Miller
2007-05-03 9:53 ` [PATCH 3/5] [NET]: Add __dev_getfirstbyhwtype David Howells
2007-05-03 10:28 ` David Miller
2007-05-03 9:53 ` [PATCH 4/5] [AFS]: Replace rtnetlink client by direct dev_base walking David Howells
2007-05-03 10:28 ` David Miller
2007-05-03 9:53 ` [PATCH 5/5] AFS: Adjust the new netdevice scanning code David Howells
2007-05-03 10:29 ` David Miller
2007-05-03 10:27 ` [PATCH 1/5] [NETLINK]: Fix use after free in netlink_recvmsg David Miller
2007-05-03 12:27 ` Marcel Holtmann [this message]
2007-05-03 12:46 ` Patrick McHardy
2007-05-03 20:11 ` David Miller
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