Having said all this, rooting has unlimited advantages and if you just ignore the warranty part, it is just as necessary a thing as your Android device itself! At DroidViews, we often share different root tools for a number of Android phones and tablet devices. In case your device is soft-bricked, there are so many ways to recover it to normal state. It’s true that the procedure of rooting might put your device in risk and, in rare cases, might soft-brick the device but if you are careful while following the rooting steps, nothing wrong would happen. If rooting Android devices is so advantageous, how come that many people do not tend to get involved with such activities? Well, there are mainly two reasons that make them refrain from such things:Īs for the warranty loss issue, there is nothing that can be done about it.
If you have a rooted device, you can easily flash a custom recovery like ClockworkMod or TWRP and thus enjoy beautiful custom ROMs and useful mods. It is rooting that allow you to access the things that lay behind a curtain for normal users. Rooting also lets you enable various features on your device that else lay hidden due to certain limitations and security reasons. A Linux based operating system as it is, Android unlock its full potential only when you have gained root privilege on it. And if you are enthusiastic about your Android phone or tablet and always keep looking for new things to optimize and tweak and new way to customize your device, root access is the best thing that you can have on it. And most importantly our unique and undocumented exploitation technique targeting kernel use-after-free bugs features stability and accuracy.Android is an awesome platform for mobile devices. All the current mitigations in the kernel like PXN are circumvented by this approach. In short, we will present a generic way to exploit use-after-free vulnerabilities in Linux kernel, which means one exploit applies to devices of all brands. We will show how we leverage this kernel use-after-free bug to achieve privilege promotion on most popular Android devices on market which have a version not less than 4.3, including the first 64bit root case in the world. Exploiting such a use-after-free in Linux kernel is truly difficult due to the separated allocation from the kernel allocator. The related vulnerability CVE-2015-3636, a typical use-after-free bug in Linux kernel is discussed in detail.
In this paper, we will present our universal root solution. In recent years, to find a universal root solution for Android becomes harder and harder due to rare vulnerabilities in the Linux kernel base and also the exploit mitigations applied on the devices by various vendors.
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