acpi: Ignore acpi_rsdp kernel parameter when securelevel is set
authorJosh Boyer <jwboyer@redhat.com>
Mon, 25 Jun 2012 23:57:30 +0000 (19:57 -0400)
committerYves-Alexis Perez <corsac@debian.org>
Thu, 4 Jan 2018 11:12:40 +0000 (11:12 +0000)
commitf2298663a1a515afd859bb14af619b591a899740
tree0dd085bd49389c38db684c4629de0f3585d7432a
parent15b9dbb42eb3b45c4e9432412f7e1d84e94002f8
acpi: Ignore acpi_rsdp kernel parameter when securelevel is set

This option allows userspace to pass the RSDP address to the kernel, which
makes it possible for a user to execute arbitrary code in the kernel.
Disable this when securelevel is set.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Gbp-Pq: Topic features/all/securelevel
Gbp-Pq: Name acpi-ignore-acpi_rsdp-kernel-parameter-when-securele.patch
drivers/acpi/osl.c