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(parent: 5e2d50d) | patch
efivars: Improve variable validation
authorMatthew Garrett <mjg@redhat.com>
Thu, 3 May 2012 20:50:46 +0000 (16:50 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 11 May 2012 12:14:49 +0000 (13:14 +0100)
commit103f468a50f7bd31eb6f47f2f3dc4a4009d9f470
treeb937cb6f83dd6de6c75a165ad701ba64147e75fctree | snapshot
parent5e2d50da11f0e6ec3ce8fe658d7c83b0b4346c68commit | diff
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>
drivers/firmware/efivars.c diff | blob | history
wrapfs-4.14.y