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)
committerAurelien Jarno <aurel32@debian.org>
Fri, 2 Mar 2018 07:52:22 +0000 (07:52 +0000)
commite1d4e673e64afe39bf93b29b8dad9043a6e43b67
treebf248216a7b2459f2ddb0443f3468a88aabe98fd
parentc12e9d112441c6b36bb3e019d202908e24d124d7
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