CVE-2017-18193: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

fs/f2fs/extent_cache.c in the Linux kernel before 4.13 mishandles extent trees, which allows local users to cause a denial of service (BUG) via an application with multiple threads.

Affected products

• Linux Linux Kernel: before 4.13 (fixed in 4.13)

Published 2018-02-22. Last modified 2026-06-17.