CVE-2016-10124: Linuxcontainers Lxc

High severity, CVSS 8.6. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in Linux Containers (LXC) before 2016-02-22. When executing a program via lxc-attach, the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal's input buffer, allowing an attacker to escape the container.

Affected products

• Linuxcontainers Lxc: up to and including 2.0.0

Published 2017-01-09. Last modified 2026-06-17.