From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: kernel-hardening@lists.openwall.com,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
Jiri Slaby <jslaby@suse.com>
Subject: Re: [PATCH] tty: ldisc: add sysctl to prevent autoloading of ldiscs
Date: Mon, 21 Jan 2019 19:01:42 -0500 [thread overview]
Message-ID: <20190122000142.GB19379@mit.edu> (raw)
In-Reply-To: <20190121162642.GA2944@kroah.com>
On Mon, Jan 21, 2019 at 05:26:42PM +0100, Greg Kroah-Hartman wrote:
> By default, the kernel will automatically load the module of any line
> dicipline that is asked for. As this sometimes isn't the safest thing
> to do, provide a sysctl to disable this feature.
>
> By default, we set this to 'y' as that is the historical way that Linux
> has worked, and we do not want to break working systems. But in the
> future, perhaps this can default to 'n' to prevent this functionality.
>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
next prev parent reply other threads:[~2019-01-22 0:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 16:26 [PATCH] tty: ldisc: add sysctl to prevent autoloading of ldiscs Greg Kroah-Hartman
2019-01-22 0:01 ` Theodore Y. Ts'o [this message]
2019-01-30 8:28 ` Greg Kroah-Hartman
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