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-rw-r--r--include/linux/security.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index d5fd616..5eff459 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2197,6 +2197,8 @@ static inline int security_file_mmap(struct file *file, unsigned long reqprot,
unsigned long addr,
unsigned long addr_only)
{
+ if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
+ return -EACCES;
return 0;
}
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