CVE-2018-1108: Canonical Ubuntu Linux

Medium severity, CVSS 5.9. EPSS: 1.7% chance of exploitation in the next 30 days.

kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only
• Debian Debian Linux: version 9.0 only
• Linux Linux Kernel: up to and including 4.16

Published 2018-05-21. Last modified 2026-06-17.