From: Mimi Zohar <zohar@linux.ibm.com>
To: Prakhar Srivastava <prsriva@microsoft.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-integrity@vger.kernel.org"
<linux-integrity@vger.kernel.org>
Subject: Re: Adding cmldine args measure to ima
Date: Fri, 22 Mar 2019 16:36:24 -0400 [thread overview]
Message-ID: <1553286984.5291.2.camel@linux.ibm.com> (raw)
In-Reply-To: <DM5PR21MB0747326E1CAA3F66CE61B149BC430@DM5PR21MB0747.namprd21.prod.outlook.com>
On Fri, 2019-03-22 at 17:27 +0000, Prakhar Srivastava wrote:
> Hi,
>
> Currently Kexec (kexec_file_load) code path does not measure the cmdline
> arguments passed to the next kernel.The boot_aggregate won't change since
> the EFI loader hasn't been triggered. Attesting the same in K2 has no impact.
> Adding the cmdline measurement will add some attestable criteria.
>
> To account for the cmdline passed, we are looking at using IMA to measure and
> pass the buffer so that it can be attested.
>
> Do you have any alternate solutions/concerns with this approach?
I started looking at this a couple of years ago, but haven't had time.
I definitely don't have problems with extending IMA to measure the
boot command line.
Mimi
prev parent reply other threads:[~2019-03-22 20:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-22 17:27 Adding cmldine args measure to ima Prakhar Srivastava
2019-03-22 20:36 ` Mimi Zohar [this message]
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