kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging improper use of pointers in place of scalars.
Fedora 26 : kernel (2018-8ed5eff2c0)
Fedora 27 : kernel (2018-22d5fa8a90)
[ASA-201801-1] linux: multiple issues
kernel-linus update provides 4.14 series and fixes security vulnerabilities
kernel update provides 4.14 series and fixes security vulnerabilities