netdev - Re: [PATCH/FIX] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 28 May 2013 23:56:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mingo@...nel.org
Cc:	luto@...capital.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org,
	trinity@...r.kernel.org
Subject: Re: [PATCH/FIX] net: Block MSG_CMSG_COMPAT in send(m)msg and
 recv(m)msg

From: Ingo Molnar <mingo@...nel.org>
Date: Tue, 28 May 2013 10:56:00 +0200

> MSG_CMSG_COMPAT is (AFAIK) not intended to be part of the API --
> it's a hack that steals a bit to indicate to other networking code
> that a compat entry was used.  So don't allow it from a non-compat
> syscall.
> 
> This prevents an oops when running this code:
 ...
> Cc: David S. Miller <davem@...emloft.net>
> Signed-off-by: Andy Lutomirski <luto@...capital.net>

Applied and queued up for -stable.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html