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Open Source and information security mailing list archives
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Date: Thu, 17 Jul 2014 18:48:16 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: Kees Cook <keescook@...omium.org> Cc: linux-kernel@...r.kernel.org, Ming Lei <ming.lei@...onical.com>, "Luis R. Rodriguez" <mcgrof@...e.com>, James Morris <james.l.morris@...cle.com>, David Howells <dhowells@...hat.com>, linux-doc@...r.kernel.org, linux-security-module@...r.kernel.org, linux-firmware@...nel.org, linux-wireless <linux-wireless@...r.kernel.org> Subject: Re: [PATCH 3/7] security: introduce kernel_fw_from_file hook On Mon, Jul 14, 2014 at 02:38:13PM -0700, Kees Cook wrote: > In order to validate the contents of firmware being loaded, there must be > a hook to evaluate any loaded firmware that wasn't built into the kernel > itself. Without this, there is a risk that a root user could load malicious > firmware designed to mount an attack against kernel memory (e.g. via DMA). > > Signed-off-by: Kees Cook <keescook@...omium.org> > --- > include/linux/security.h | 16 ++++++++++++++++ > security/capability.c | 6 ++++++ > security/security.c | 6 ++++++ > 3 files changed, 28 insertions(+) I would like an ack from a security developer/maintainer before applying this patch... thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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