diff --git a/volatility3/framework/plugins/linux/mountinfo.py b/volatility3/framework/plugins/linux/mountinfo.py
index 47d8705c84..c56ced4899 100644
--- a/volatility3/framework/plugins/linux/mountinfo.py
+++ b/volatility3/framework/plugins/linux/mountinfo.py
@@ -93,11 +93,14 @@ def get_mountinfo(
             return None
 
         mnt_root_path = mnt_root.path()
-        superblock = mnt.get_mnt_sb()
 
         mnt_id: int = mnt.mnt_id
         parent_id: int = mnt.mnt_parent.mnt_id
 
+        superblock = mnt.get_mnt_sb()
+        if not (superblock and superblock.is_readable()):
+            return None
+
         st_dev = f"{superblock.major}:{superblock.minor}"
 
         mnt_opts: List[str] = []