CVE-2018-10882: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem 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: affected versions not specified
• Red Hat Enterprise Linux: version 7.0 only

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