: Linux 4.14 was designated as a Long-Term Support branch, receiving active upstream maintenance for six years.
Point releases like 4.14.117 do not introduce massive overhauls or new user-facing features. Instead, they focus entirely on refinement, security hardening, and bug eradication. Linux kernel creator Linus Torvalds and downstream maintainers like Greg Kroah-Hartman oversee these point releases to ensure upstream stability flows directly down to Android vendors. 1. Critical Security Vulnerability Fixes
This version solidified support for eBPF in Android.
Kernel 4.14.117 includes stability patches for F2FS, reducing write amplification and improving garbage collection routines on NAND flash storage. kernel version 4.14.117 android
This outputs tags like android-4.14.117_r00 – representing Google’s certified version of the kernel. Developers use this baseline to:
(extended Berkeley Packet Filter), which Android uses for advanced network monitoring and traffic accounting. Conclusion
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. : Linux 4
The 4.14 kernel era sat at the crossroads of Google’s push to modularize Android. Thanks to Project Treble, devices launching with newer Android versions were decoupled from the underlying vendor hardware code.
The stability of releases like 4.14.117 laid the groundwork for the modern GKI (Generic Kernel Image) project found in newer Android iterations. Developers studying 4.14.117 can easily track how Google transitioned from heavily customized, device-specific kernels toward a unified structure, making it a textbook example of mobile kernel engineering.
Includes refined patches for hardware-level vulnerabilities like Spectre and Meltdown, minimizing performance overhead while maintaining data isolation. Kernel 4
This article dives deep into what this version number means, why it matters for Android security and performance, which devices and custom ROMs rely on it, and what risks and opportunities it presents for users and developers in 2025 and beyond.
To the average user, this string of numbers might look like random technical jargon. To developers, IT security teams, and device maintainers, however, 4.14.117 represents a critical milestone in Android’s evolution—a release that bridged the gap between legacy drivers and modern security requirements.