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Message-ID: <51A65CFA.4090907@redhat.com>
Date: Wed, 29 May 2013 13:54:34 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: P J P <ppandit@...hat.com>
Subject: Re: CVE request: Linux kernel: net: oops from tcp_collapse()
when using splice(2)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 05/29/2013 01:10 PM, P J P wrote:
> Hello,
>
> Linux kernel which supports splice(2) call to move data across
> file/socket descriptors via a pipe buffers, is vulnerable to a
> kernel crash that occurs while calling splice(2) over a tcp socket
> which in turn calls tcp_read_sock().
>
> A user/program could use this flaw to cause system crash, resulting
> in DoS.
>
> Upstream fix: ------------- ->
> https://git.kernel.org/linus/baff42ab1494528907bf4d5870359e31711746ae
>
> Thank you. -- Prasad J Pandit / Red Hat Security Response Team
> DB7A 84C5 D3F9 7CD1 B5EB C939 D048 7860 3655 602B
Please use CVE-2013-2128 for this issue.
- --
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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