CVE-2015-1342: Canonical Lxcfs

Medium severity, CVSS 4.6. EPSS: 0.5% chance of exploitation in the next 30 days.

LXCFS before 0.12 does not properly enforce directory escapes, which might allow local users to gain privileges by (1) querying or (2) updating a cgroup.

Affected products

  • Canonical Lxcfs: up to and including 0.11
  • Canonical Ubuntu Linux: version 15.04 only; version 15.10 only

Published 2015-12-07. Last modified 2026-06-17.