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>
Wed, 21 Feb 2018 15:29:03 +0000 (15:29 +0000)
commit724e09d2c7dde095b33f2254a387c09d3d580c19
treeb827a1066825116bc46d037f4d1955694c6e9081
parentad43fa8bb88d91afdcc92b2b726b75c0d8b55a50
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