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>
Sat, 28 Jan 2017 16:11:16 +0000 (16:11 +0000)
commitda12d94d054ff380001049ebdc3f17fa8b3f486f
tree20223a16bcdb69cf484eb8a6d72c4bf07e5df21d
parentfd055b014c175c759b344e43c598e12bdbd1b47d
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