projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: aae0faf) | patch
acpi: Limit access to custom_method if securelevel is set
authorMatthew Garrett <mjg59@srcf.ucam.org>
Fri, 9 Mar 2012 13:39:37 +0000 (08:39 -0500)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 4 Jan 2017 19:39:36 +0000 (19:39 +0000)
commit9f7e58ecd042705ba41c24a8dcb997219f2a72d7
tree6a640f7d1d1e486834e2fa615038923ad02312aftree | snapshot
parentaae0fafc2dae16b0f31a3acc03625ddc68d19216commit | diff
acpi: Limit access to custom_method if securelevel is set

custom_method effectively allows arbitrary access to system memory, making
it possible for an attacker to modify the kernel at runtime. Prevent this
if securelevel has been set.

Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Gbp-Pq: Topic features/all/securelevel
Gbp-Pq: Name acpi-limit-access-to-custom_method-if-securelevel-is.patch
drivers/acpi/custom_method.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.