Galaxy S3/Note 2/MX2 to brick? - Major loopholes

The developer said that through this security hole, hackers can access the physical memory of the terminal, change or steal user data, or turn the phone into a brick. It has been claimed that the vulnerability has been exploited and an APK file has been created to gain root privileges and it is intended to install Super SU for the Exynos 4 terminal.
Currently alephzain has reported this vulnerability to Samsung. Fortunately, Exynos 5 has not found this vulnerability.
In the end, there are loopholes in Exynos 4 series processor terminals such as Samsung Galaxy S2, Galaxy S3, Galaxy S3 LTE, Galaxy Note, Galaxy Note 2, Galaxy Note 10.1, Meizu MX/MX2, etc.
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