Step 1: Check current kernel version

# uname -r
3.10.0-862.14.4.el7.x86_64

Step 2: Check installed kernel version

# yum info kernel
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* base: mirror.0x.sg
* elrepo: elrepo.mirror.angkasa.id
* epel: sg.fedora.ipserverone.com
* extras: mirror.0x.sg
* updates: mirror.0x.sg
Installed Packages
Name : kernel
Arch : x86_64
Version : 3.10.0
Release : 693.el7
Size : 59 M
Repo : installed
From repo : anaconda
Summary : The Linux kernel
URL : http://www.kernel.org/
License : GPLv2
Description : The kernel package contains the Linux kernel (vmlinuz), the core of any
: Linux operating system. The kernel handles the basic functions
: of the operating system: memory allocation, process allocation, device
: input and output, etc.

Name : kernel
Arch : x86_64
Version : 3.10.0
Release : 862.14.4.el7
Size : 62 M
Repo : installed
From repo : updates
Summary : The Linux kernel
URL : http://www.kernel.org/
License : GPLv2
Description : The kernel package contains the Linux kernel (vmlinuz), the core of any
: Linux operating system. The kernel handles the basic functions
: of the operating system: memory allocation, process allocation, device
: input and output, etc.

Step 3: Install Kernel-Devel and Kernel-Headers

# yum install kernel-devel kernel-headers -y

# yum info kernel-devel kernel-headers

Step 4: Check Kernel-Devel. Make sure the version is in-sync

# yum info kernel-devel
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* base: mirror.0x.sg
* elrepo: elrepo.mirror.angkasa.id
* epel: sg.fedora.ipserverone.com
* extras: mirror.0x.sg
* updates: mirror.0x.sg
Installed Packages
Name : kernel-devel
Arch : x86_64
Version : 3.10.0
Release : 862.14.4.el7
Size : 37 M
Repo : installed
From repo : updates
Summary : Development package for building kernel modules to match the kernel
URL : http://www.kernel.org/
License : GPLv2
Description : This package provides kernel headers and makefiles sufficient to build modules
: against the kernel package.

Step 5: Check Kernel-Headers. Make sure the version is in-sync

# yum info kernel-headers
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* base: mirror.0x.sg
* elrepo: elrepo.mirror.angkasa.id
* epel: sg.fedora.ipserverone.com
* extras: mirror.0x.sg
* updates: mirror.0x.sg
Installed Packages
Name : kernel-headers
Arch : x86_64
Version : 3.10.0
Release : 862.14.4.el7
Size : 3.6 M
Repo : installed
From repo : updates
Summary : Header files for the Linux kernel for use by glibc
URL : http://www.kernel.org/
License : GPLv2
Description : Kernel-headers includes the C header files that specify the interface
: between the Linux kernel and userspace libraries and programs. The
: header files define structures and constants that are needed for
: building most standard programs and are also needed for rebuilding the
: glibc package.