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)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 4 Jun 2017 02:03:01 +0000 (02:03 +0000)
commita2e06b08e30f827edfd00ad3853eb2feb55adb3f
treeb073d0f7d104ee8beeb08dadb80e29e0310791b5
parentcb92ad8d61429685863f535188bd992ab9e86c69
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