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Date: Tue, 31 Dec 2013 00:42:32 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: Linux kernel: net: memory leak in
 recvmsg handlermsg_name & msg_namelen logic

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 12/31/2013 12:06 AM, P J P wrote:
> Hello,
> 
> Linux kernel built with the networking support(CONFIG_NET) is
> vulnerable to an information leakage flaw in the socket layer. It
> could occur while doing recvmsg(2), recvfrom(2) socket calls. It
> occurs due to improperly initialised msg_name & msg_namelen message
> header parameters.
> 
> A user/program could use this flaw to leak information from kernel 
> memory bytes.
> 
> Upstream fix: ------------- ->
> https://git.kernel.org/linus/f3d3342602f8bcbf37d7c46641cb9bca7618eb1c
>
>  Reference: ---------- ->
> https://bugzilla.redhat.com/show_bug.cgi?id=1039845
> 
> Thank you. -- Prasad J Pandit / Red Hat Security Response Team

Please use CVE-2013-6463 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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