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>
Thu, 28 Sep 2017 17:27:56 +0000 (18:27 +0100)
commit5de011663c892dcaa277656db66e75964144a7f4
tree12ccd668cdf57e4e30a25ca3583e9d8f428ca6e3
parentbe435e78cab8aa1a5b172b8ebc794c7a884c081d
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