CVE-2014-8559: Canonical Ubuntu Linux

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

The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Linux Linux Kernel: up to and including 3.17.2
• Novell Suse Linux Enterprise Desktop: version 12.0 only
• Novell Suse Linux Enterprise Server: version 12.0 only
• Opensuse Evergreen: version 11.4 only
• Opensuse Opensuse: version 13.1 only
• Oracle Linux: version 7 only
• Suse Linux Enterprise Real Time Extension: version 11 only
• Suse Linux Enterprise Software Development Kit: version 12 only
• Suse Linux Enterprise Workstation Extension: version 12 only
• Suse Suse Linux Enterprise Server: version 11 only

Published 2014-11-10. Last modified 2026-06-17.