From: Matthew Garrett <mjg@redhat.com>
Date: Thu, 3 May 2012 20:50:46 +0000 (-0400)
Subject: efivars: Improve variable validation
X-Git-Tag: v3.2.17~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=103f468a50f7bd31eb6f47f2f3dc4a4009d9f470;p=pandora-kernel.git

efivars: Improve variable validation

commit 54b3a4d311c98ad94b737802a8b5f2c8c6bfd627 upstream.

Ben Hutchings pointed out that the validation in efivars was inadequate -
most obviously, an entry with size 0 would server as a DoS against the
kernel. Improve this based on his suggestions.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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