From: David Miller <davem@davemloft.net>
To: error27@gmail.com
Cc: remi.denis-courmont@nokia.com, netdev@vger.kernel.org,
kernel-janitors@vger.kernel.org, dan.j.rosenberg@gmail.com
Subject: Re: [patch v2] phonet: some signedness bugs
Date: Mon, 10 Jan 2011 16:06:20 -0800 (PST) [thread overview]
Message-ID: <20110110.160620.133889003.davem@davemloft.net> (raw)
In-Reply-To: <20110110140658.GB2721@bicker>
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 10 Jan 2011 17:06:58 +0300
> Dan Rosenberg pointed out that there were some signed comparison bugs
> in the phonet protocol.
>
> http://marc.info/?l=full-disclosure&m=129424528425330&w=2
>
> The problem is that we check for array overflows but "protocol" is
> signed and we don't check for array underflows. If you have already
> have CAP_SYS_ADMIN then you could use the bugs to get root, or someone
> could cause an oops by mistake.
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
Applied.
next prev parent reply other threads:[~2011-01-11 0:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 20:37 [patch] phonet: some signedness bugs Dan Carpenter
2011-01-10 0:45 ` David Miller
2011-01-10 2:13 ` David Miller
2011-01-10 7:58 ` Rémi Denis-Courmont
2011-01-10 14:01 ` Dan Carpenter
2011-01-10 14:08 ` Rémi Denis-Courmont
2011-01-10 14:06 ` [patch v2] " Dan Carpenter
2011-01-10 14:12 ` Rémi Denis-Courmont
2011-01-11 0:06 ` David Miller [this message]
2011-01-13 12:32 ` Rémi Denis-Courmont
2011-01-13 20:30 ` David Miller
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