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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade lxc | Jul 30, 2024 | Jan 9, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/lxc. | Nov 13, 2017 | Jan 9, 2017 |
| Ubuntu | — | Upgrade lxc | Aug 2, 2017 | Jan 9, 2017 |
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