CVE-2015-1421: Canonical Ubuntu Linux

High severity, CVSS 10.0. EPSS: 9.8% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Linux Linux Kernel: from 2.6.24, before 3.2.67 (fixed in 3.2.67); from 3.3, before 3.4.107 (fixed in 3.4.107); from 3.5, before 3.10.70 (fixed in 3.10.70); from 3.11, before 3.12.38 (fixed in 3.12.38); from 3.13, before 3.14.34 (fixed in 3.14.34); from 3.15, before 3.16.35 (fixed in 3.16.35); …

Published 2015-03-16. Last modified 2026-06-17.