linux-kernel - Re: [PATCH] fs: prevent use after free in auditing when symlink following was denied

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]

Message-ID: <20121005003319.GH9092@outflux.net>
Date:	Thu, 4 Oct 2012 17:33:19 -0700
From:	Kees Cook <kees@...flux.net>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	viro@...iv.linux.org.uk, keescook@...omium.org,
	levinsasha928@...il.com, davej@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs: prevent use after free in auditing when symlink
 following was denied

On Thu, Oct 04, 2012 at 07:56:40PM -0400, Sasha Levin wrote:
> Commit "fs: add link restriction audit reporting" has added auditing of failed
> attempts to follow symlinks. Unfortunately, the auditing was being done after
> the struct path structure was released earlier.
> 
> Signed-off-by: Sasha Levin <sasha.levin@...cle.com>

Thanks for catching that!

Cc: stable@...r.kernel.org
Acked-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook                                            @outflux.net
--
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/