A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service (BUG).
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.12
https://github.com/torvalds/linux/commit/1e3921471354244f70fe268586ff94a97a6dd4df
https://bugzilla.redhat.com/show_bug.cgi?id=1525222