CVE-2018-13096: Canonical Ubuntu Linux

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

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only
• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: up to and including 4.14
• Opensuse Leap: version 42.3 only

Published 2018-07-03. Last modified 2026-06-17.