CVE-2018-14613: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 2.5% chance of exploitation in the next 30 days.

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.

Affected products

• Linux Linux Kernel: up to and including 4.17.10

Published 2018-07-27. Last modified 2026-06-17.