Linux kernels 4.14.15, 4.9.78 LTS, and 4.4.113 LTS are now available, and they come with numerous improvements. While Linux kernel 4.14.15 is by far the biggest of them all, containing 104 files changed, with 1514 insertions and 447 deletions, Linux 4.9.78 LTS and 4.4.113 LTS kernels are pretty identical and include 60 changed files with 525 insertions and 167 deletions, and 64 changed files, with 960 insertions and 139 deletions respectively. As expected the Linux 4.14.15, 4.9.78 LTS, and 4.4.113 LTS kernels bring more security improvements to mitigate the severe Meltdown and Spectre vulnerabilities. While Linux kernels 4.9.78 LTS and 4.4.113 LTS contain only fixes for the x86 architectures, the Linux 4.14.15 kernel also includes numerous fixes for the PowerPC architecture, as well as some minor changes for ARM64 (AArch64), ARM, Alpha, and MIPS hardware architectures.