From: Hans de Goede <hdegoede@redhat.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
eric.snowberg@oracle.com, john.haxby@oracle.com,
todd.vierling@oracle.com
Cc: David Howells <dhowells@redhat.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
acpi4asus-user@lists.sourceforge.net,
platform-driver-x86@vger.kernel.org,
Matthew Garrett <mjg59@srcf.ucam.org>,
Thomas Gleixner <tglx@linutronix.de>, Greg KH <greg@kroah.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Matthew Garrett <matthewgarrett@google.com>,
James Morris <jmorris@namei.org>
Subject: Re: [PATCH RFC UEK5 5/7] debugfs: Restrict debugfs when the kernel is locked down
Date: Wed, 28 Oct 2020 12:37:35 +0100 [thread overview]
Message-ID: <cd3f2a50-685a-c4a9-606a-939d02f84ea3@redhat.com> (raw)
In-Reply-To: <20201020210808.GB21080@char.us.oracle.com>
Hi,
On 10/20/20 11:08 PM, Konrad Rzeszutek Wilk wrote:
> On Tue, Oct 20, 2020 at 05:00:02PM -0400, Konrad Rzeszutek Wilk wrote:
>> Disallow opening of debugfs files that might be used to muck around when
>
> ..snip..
>
>> [Backport:
>> Since UEK5 by default is confidentiality we have to outright
>> disallow debugfs if the default mode is selected. Hence the
>> call to __kernel_is_confidentiality_mode to help us.
>>
>> If we are in integrity lockdown mode, we can enable debugfs
>> IF they match with the above 1-3 criteria]
>
> <sigh>
>
> And that is what I get for _not_ doing --suppress-cc=all
>
> My apologies for spamming you all!
Actually I find this a quite interesting patch, I think it would be
good to get something like this done upstream, rather then relying
on a downstream distro specific patch.
Are there any plans to submit this upstream ?
Regards,
Hans
next prev parent reply other threads:[~2020-10-28 21:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201020210004.18977-1-konrad.wilk@oracle.com>
2020-10-20 20:59 ` [PATCH RFC UEK5 2/7] bpf: Restrict bpf when kernel lockdown is in confidentiality mode Konrad Rzeszutek Wilk
2020-10-20 21:06 ` Konrad Rzeszutek Wilk
2020-10-20 21:00 ` [PATCH RFC UEK5 5/7] debugfs: Restrict debugfs when the kernel is locked down Konrad Rzeszutek Wilk
2020-10-20 21:08 ` Konrad Rzeszutek Wilk
2020-10-28 11:37 ` Hans de Goede [this message]
2020-10-20 21:00 ` [PATCH RFC UEK5 6/7] debugfs: Return -EPERM when " Konrad Rzeszutek Wilk
2020-10-20 21:11 ` Konrad Rzeszutek Wilk
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