CVE-2014-3673: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 7.5% chance of exploitation in the next 30 days.

The SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (system crash) via a malformed ASCONF chunk, related to net/sctp/sm_make_chunk.c and net/sctp/sm_statefuns.c.

Affected products

• Canonical Ubuntu Linux: version 12.04 only
• Debian Debian Linux: version 7.0 only
• Linux Linux Kernel: from 2.6.12, before 3.2.64 (fixed in 3.2.64); from 3.3, before 3.4.107 (fixed in 3.4.107); from 3.5, before 3.10.61 (fixed in 3.10.61); from 3.11, before 3.12.34 (fixed in 3.12.34); from 3.13, before 3.14.25 (fixed in 3.14.25); from 3.15, before 3.16.35 (fixed in 3.16.35); …
• Opensuse Evergreen: version 11.4 only
• Oracle Linux: version 5 only; version 6 only; version 7 only
• Red Hat Enterprise Linux: version 5.0 only
• Red Hat Enterprise Mrg: version 2.0 only
• Suse Linux Enterprise Software Development Kit: version 12 only
• Suse Linux Enterprise Workstation Extension: version 12 only
• Suse Suse Linux Enterprise Server: version 10 only; version 11 only; version 12 only

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