9f8f11513a
Mitigate issues presented in "Digging Into The Core of Boot" found by "Yuriy Bulygin" and "Oleksandr Bazhaniuk" at RECON-MTL-2017. Validate user-provided pointers using the newly-added functions. This protects SMM from ring0 attacks. Change-Id: I8a347ccdd20816924bf1bceb3b24bf7b22309312 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Signed-off-by: Christian Walter <christian.walter@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41086 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> |
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