linux-kernel - Re: [PATCH] tpm: Fix expected number of response bytes of TPM1.2 PCR Extend

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 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:   Fri, 17 Feb 2017 07:46:38 -0500
From:   Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:     James Morris <jmorris@...ei.org>
Cc:     Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        tpmdd-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Subject: Re: [PATCH] tpm: Fix expected number of response bytes of TPM1.2
 PCR Extend

Hi James,

On Wed, 2017-02-15 at 20:09 +0200, Jarkko Sakkinen wrote:
> On Wed, Feb 15, 2017 at 11:56:23AM -0500, Stefan Berger wrote:
> > The TPM1.2 PCR Extend operation only returns 20 bytes in the body,
> > which is the size of the PCR state.
> > 
> > This fixes a problem where IMA gets errors with every PCR Extend.
> > 
> > Fixes: c659af78eb7b ("tpm: Check size of response before accessing data")
> > Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
> > Acked-by: Mimi Zohar <zohar@...ibm.com>
> 
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

This patch needs to be included with the rest of the patches being
upstreamed in the next open window.   Should Jarkko or I send you a pull
request for it?

thanks,

Mimi