CVE-2018-14611: Debian Linux

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 a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

Affected products

• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: up to and including 4.17.10

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