linux kernel headers out of sync — oracle-tech
community.oracle.com › tech › apps-infraJun 18, 2013 · The kernel-headers packages are installed into /usr/include/... You cannot install two or more different versions of kernel-headers at the same time. If you want kernel-headers and kernel to match exactly you need to uninstall and reinstall the kernel-header packages depending on the kernel you use, or simply use one version of the kernel only.