linux-kernel - Re: [PATCH] fs: fix xattr permission checking error

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: <20171022053942.ntin63uzgz2d35o2@thunk.org>
Date:   Sun, 22 Oct 2017 01:39:42 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     Nicolas Belouin <nicolas@...ouin.fr>
Cc:     Dave Kleikamp <shaggy@...nel.org>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, jfs-discussion@...ts.sourceforge.net
Subject: Re: [PATCH] fs: fix xattr permission checking error

On Sat, Oct 21, 2017 at 03:39:47PM +0200, Nicolas Belouin wrote:
> Fix an issue making trusted xattr world readable and other
> cap_sys_admin only
>

NACK.  It is *documented* that trusted xattrs are only supposed to be
readable by root.

					- Ted