CVE-2018-10880: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.

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: before 4.17.6 (fixed in 4.17.6)
• Red Hat Enterprise Linux: version 7.0 only

Published 2018-07-25. Last modified 2026-06-17.