diff options
Diffstat (limited to 'Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch')
| -rw-r--r-- | Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch b/Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch index 99cae0a0a..acf28cf88 100644 --- a/Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch +++ b/Restrict-dev-mem-and-dev-kmem-when-module-loading-is.patch @@ -1,6 +1,7 @@ +From d4ae417828427de74e9f857f9caa49580aecf1fe Mon Sep 17 00:00:00 2001 From: Matthew Garrett <matthew.garrett@nebula.com> Date: Fri, 9 Mar 2012 09:28:15 -0500 -Subject: [PATCH] Restrict /dev/mem and /dev/kmem when module loading is +Subject: [PATCH 06/20] Restrict /dev/mem and /dev/kmem when module loading is restricted Allowing users to write to address space makes it possible for the kernel @@ -13,7 +14,7 @@ Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> 1 file changed, 6 insertions(+) diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index efe38c1bc234..16b8af1188e1 100644 +index 53fe675f9bd7..b52c88860532 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -167,6 +167,9 @@ static ssize_t write_mem(struct file *file, const char __user *buf, @@ -36,3 +37,6 @@ index efe38c1bc234..16b8af1188e1 100644 if (p < (unsigned long) high_memory) { unsigned long to_write = min_t(unsigned long, count, (unsigned long)high_memory - p); +-- +2.4.3 + |