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, 12 Jan 2017 15:52:37 +0000 (15:52 +0000)
commita81bffc37a0290a2a01810757d742b3a5735e787
tree1a250d26ca7912b3cbf31697b0ecdecef9b94c89
parent25adbedc0c2119b2d79a47642705bc710a172ef5
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