CVE-2019-14896: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 8.7% chance of exploitation in the next 30 days.

A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.

Affected products

  • Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 19.10 only
  • Debian Debian Linux: version 8.0 only
  • Fedoraproject Fedora: version 30 only; version 31 only
  • Linux Linux Kernel: from 2.6.32, before 3.16.83 (fixed in 3.16.83); from 3.17, before 4.4.212 (fixed in 4.4.212); from 4.5, before 4.9.212 (fixed in 4.9.212); from 4.10, before 4.14.169 (fixed in 4.14.169); from 4.15, before 4.19.100 (fixed in 4.19.100); from 4.20, before 5.4.16 (fixed in 5.4.16)
  • Red Hat Enterprise Linux: version 6.0 only

Published 2019-11-27. Last modified 2026-06-17.