linux-kernel - Re: [PATCH] bridge: netfilter: fix information leak

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] [day] [month] [year] [list]

Message-ID: <4D594F47.8070500@trash.net>
Date:	Mon, 14 Feb 2011 16:50:31 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Vasiliy Kulikov <segoon@...nwall.com>
CC:	linux-kernel@...r.kernel.org, security@...nel.org,
	Bart De Schuymer <bart.de.schuymer@...dora.be>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	ebtables-user@...ts.sourceforge.net,
	ebtables-devel@...ts.sourceforge.net,
	netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org,
	coreteam@...filter.org, bridge@...ts.linux-foundation.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] bridge: netfilter: fix information leak

Am 14.02.2011 11:54, schrieb Vasiliy Kulikov:
> Struct tmp is copied from userspace.  It is not checked whether the "name"
> field is NULL terminated.  This may lead to buffer overflow and passing
> contents of kernel stack as a module name to try_then_request_module() and,
> consequently, to modprobe commandline.  It would be seen by all userspace
> processes.
> 
> Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>

Applied, thanks Vasiliy.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/