linux-kernel - Re: [kernel-hardening] Re: [PATCHv3 2/2] extract early boot entropy from the passed cmdline

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Message-ID: <CAFJ0LnEduPL4RJLyJv-pZdrncfwS0r1mQ_26tKASDB4nf-Xjjw@mail.gmail.com>
Date:   Wed, 30 Aug 2017 06:27:40 -0700
From:   Nick Kralevich <nnk@...gle.com>
To:     Pavel Machek <pavel@....cz>
Cc:     "Theodore Ts'o" <tytso@....edu>, Laura Abbott <labbott@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Daniel Micay <danielmicay@...il.com>,
        kernel-hardening@...ts.openwall.com,
        lkml <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [kernel-hardening] Re: [PATCHv3 2/2] extract early boot entropy
 from the passed cmdline

On Wed, Aug 30, 2017 at 2:57 AM, Pavel Machek <pavel@....cz> wrote:
> The command line is visible to unpriviledged userspace (/proc/cmdline,
> dmesg). Is that a problem?

These files are not exposed to untrusted processes on Android.

-- 
Nick Kralevich | Android Security | nnk@...gle.com | 650.214.4037