linux-kernel - Re: [PATCH] Security/sysfs: Enable security xattrs to be set on sysfs files, directories, and symlinks.

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:	Thu, 09 Jul 2009 10:11:52 -0400
From:	"David P. Quigley" <dpquigl@...ho.nsa.gov>
To:	Casey Schaufler <casey@...aufler-ca.com>
Cc:	jmorris@...ei.org, gregkh@...e.de, sds@...ho.nsa.gov,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH] Security/sysfs: Enable security xattrs to be set on
 sysfs files, directories, and symlinks.

On Wed, 2009-07-08 at 18:44 -0700, Casey Schaufler wrote:

> An LSM must not be beholden to exposing transient internal
> representations of security data to userspace, which is what
> you're doing here. An LSM gets to decide what the security
> information it maintains looks like by defining a security blob.

Something worth saying is that the sysfs_dirent is already a transient
internal represenation. 


--
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/