1 files changed, 5 insertions, 0 deletions

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index f5834488b67d..ee2c576cc94e 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -31,6 +31,7 @@
 #include <linux/ioport.h>
 #include <linux/memory.h>
 #include <linux/sched/task.h>
+#include <linux/security.h>
 #include <asm/sections.h>
 #include "internal.h"
 
@@ -545,6 +546,10 @@ out:
 
 static int open_kcore(struct inode *inode, struct file *filp)
 {
+        int ret = security_locked_down(LOCKDOWN_KCORE);
+
+        if (ret)
+                return ret;
         if (!capable(CAP_SYS_RAWIO))
                 return -EPERM;