Thus, 4.14.117 is both a historical landmark and a tombstone for many devices.
Google stopped updating its 4.14 ACK branch in early 2023, pushing OEMs to migrate to GKI (Generic Kernel Image) with kernel 5.10 or 5.15. However, millions of devices remain on 4.14 due to:
Version 4.14 was one of the primary kernels used during the rollout of Project Treble
Android relies heavily on the Binder Inter-Process Communication (IPC) mechanism. Version 4.14.117 integrates critical fixes to prevent memory leaks and privilege escalation bugs within the Binder driver. 2. Energy-Aware Scheduling (EAS) Refinements kernel version 4.14.117 android
For example, official builds from Google show use of Clang version 10.0.4 and 9.0.3 to compile 4.14.117 . Versions like 4.14.117-perf+ , commonly seen in devices from OPPO and Realme, were compiled using older Clang version 8.0.12 for the Android NDK.
Consider the real-world implication. A smartphone running kernel 4.14.117 today is a device that likely shipped in 2019 and received its last security patch in mid-2021. It is vulnerable to dozens of known privilege escalation exploits. It cannot run the latest versions of Android (beyond Android 12 or 13 without custom ROMs). Yet, millions of these devices are still in use as secondary phones, in developing markets, or as industrial IoT terminals. For those users, 4.14.117 is not a history lesson; it is a present-day risk.
Attempting to run very modern apps or customized software on older 4.14 kernels can sometimes cause compilation issues, necessitating updates to the kernel source code. Thus, 4
Linux version 4.14.117-android Synaptic threshold exceeded. Forced wake.
The 4.14 kernel branch offered a long lifespan compared to non-LTS kernels, allowing for sustained support and security updates, which is crucial for Android devices' lifespan.
4.14.117-g12345678-abcd #1 SMP PREEMPT Mon May 13 12:34:56 CST 2019 Version 4
The device's entire lifecycle is tied to the kernel version it ships with. While Google originally guaranteed kernel support for 2-4 years, they have recently extended that period. Starting with Linux kernel 6.6 for Android 15, Google will now support the kernel for up to , and some industry projections even suggest that devices launched in 2024 could see support periods of 7+ years . This is a major shift designed to allow manufacturers to provide longer security support for their devices.
The most critical question for any Android user or IT administrator is:
Linux kernel version is a specific sublevel of the 4.14 Long Term Support (LTS) branch, widely used in Android devices released around 2018 and 2019, such as those running Android 9 (Pie) Android 10 Role in the Android Ecosystem LTS Foundation : The 4.14 series is a Long Term Support (LTS)