Oh no, there is root exploit vulnerability in Samsung Exynos 4 SoC. All Android smartphones and tablets which use Samsung Exynos 4 SoC are affected. This includes Samsung Galaxy S2, Samsung Galaxy Tab 7.0 Plus, Samsung Galaxy Note, Samsung Galaxy Tab 7.7, Samsung Galaxy S3, Samsung Galaxy Note 2, Samsung Galaxy Note 10.1, Meizu MX and Meizu MX2. Android applications or games can easily get access to root level without asking and without any permission on these devices due to security hole in Samsung kernel. So how to fix Samsung Exynos 4 root exploit vulnerability?