CVE-2014-6418: Canonical Ubuntu Linux

High severity, CVSS 7.1. EPSS: 4.9% chance of exploitation in the next 30 days.

net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via crafted data from the IP address of a Ceph Monitor.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only
• Linux Linux Kernel: before 3.2.64 (fixed in 3.2.64); from 3.3, before 3.4.105 (fixed in 3.4.105); from 3.5, before 3.10.55 (fixed in 3.10.55); from 3.11, before 3.12.29 (fixed in 3.12.29); from 3.13, before 3.14.19 (fixed in 3.14.19); from 3.15, before 3.16.3 (fixed in 3.16.3)

Published 2014-09-28. Last modified 2026-06-17.