summaryrefslogtreecommitdiffstats
path: root/ACPI-Limit-access-to-custom_method.patch
diff options
context:
space:
mode:
Diffstat (limited to 'ACPI-Limit-access-to-custom_method.patch')
-rw-r--r--ACPI-Limit-access-to-custom_method.patch31
1 files changed, 0 insertions, 31 deletions
diff --git a/ACPI-Limit-access-to-custom_method.patch b/ACPI-Limit-access-to-custom_method.patch
deleted file mode 100644
index 44d2a004d..000000000
--- a/ACPI-Limit-access-to-custom_method.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From 36d02761fc952f8190fca75bb4b81c2c7b7ddf68 Mon Sep 17 00:00:00 2001
-From: Matthew Garrett <matthew.garrett@nebula.com>
-Date: Fri, 9 Mar 2012 08:39:37 -0500
-Subject: [PATCH 04/20] ACPI: Limit access to custom_method
-
-custom_method effectively allows arbitrary access to system memory, making
-it possible for an attacker to circumvent restrictions on module loading.
-Disable it if any such restrictions have been enabled.
-
-Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
----
- drivers/acpi/custom_method.c | 3 +++
- 1 file changed, 3 insertions(+)
-
-diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
-index c68e72414a67..4277938af700 100644
---- a/drivers/acpi/custom_method.c
-+++ b/drivers/acpi/custom_method.c
-@@ -29,6 +29,9 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
- struct acpi_table_header table;
- acpi_status status;
-
-+ if (secure_modules())
-+ return -EPERM;
-+
- if (!(*ppos)) {
- /* parse the table header to get the table length */
- if (count <= sizeof(struct acpi_table_header))
---
-2.9.3
-