From: David Miller <davem@davemloft.net>
To: drosenberg@vsecurity.com
Cc: torvalds@linux-foundation.org, jon.maloy@ericsson.com,
allan.stephens@windriver.com, netdev@vger.kernel.org,
security@kernel.org
Subject: Re: [Security] TIPC security issues
Date: Wed, 27 Oct 2010 11:34:50 -0700 (PDT) [thread overview]
Message-ID: <20101027.113450.35054379.davem@davemloft.net> (raw)
In-Reply-To: <1288203979.1836.2.camel@dan>
From: Dan Rosenberg <drosenberg@vsecurity.com>
Date: Wed, 27 Oct 2010 14:26:19 -0400
> The proposed fix is a start, but it's not sufficient to completely fix
> the problem. What if the total of the iovecs wraps around back to 0?
> The total size will be returned as a small number, but large amounts of
> data will be copied into the allocated buffer since the individual
> iovecs can have arbitrary sizes.
The calculated length total is what should be used by the calling function
to decide how much to copy.
Sorry, I assumed the TIPC doing was sane like the rest of the networking.
:-(
I'll fix this up.
next prev parent reply other threads:[~2010-10-27 18:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 23:45 TIPC security issues Dan Rosenberg
2010-10-22 0:31 ` [Security] " Linus Torvalds
2010-10-25 2:14 ` David Miller
2010-10-25 3:42 ` Linus Torvalds
2010-10-25 5:28 ` David Miller
2010-10-27 17:29 ` David Miller
2010-10-27 17:37 ` Linus Torvalds
2010-10-27 17:50 ` David Miller
2010-10-27 18:26 ` Dan Rosenberg
2010-10-27 18:34 ` David Miller [this message]
2010-10-27 18:51 ` Linus Torvalds
2010-10-27 19:27 ` David Miller
2010-10-28 15:32 ` Linus Torvalds
2010-10-28 18:45 ` Andy Grover
2010-10-28 18:49 ` David Miller
2010-10-27 18:27 ` Paul Gortmaker
2010-10-27 18:35 ` David Miller
2010-10-27 19:00 ` Paul Gortmaker
2010-10-28 19:51 ` Paul Gortmaker
2010-10-22 13:49 ` Jon Maloy
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