CVE-2016-10124

Severity: high (CVSS 8.6 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-09 · updated 2026-06-17
Weakness: CWE-284

Description

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

lxc: through 2.0.0

References

http://www.openwall.com/lists/oss-security/2014/12/15/5
http://www.openwall.com/lists/oss-security/2015/09/03/5
http://www.securityfocus.com/bid/95404
https://github.com/lxc/lxc/commit/e986ea3dfa4a2957f71ae9bfaed406dd6e1ffff6
https://security.gentoo.org/glsa/201711-09
http://www.openwall.com/lists/oss-security/2014/12/15/5
http://www.openwall.com/lists/oss-security/2015/09/03/5
http://www.securityfocus.com/bid/95404
https://github.com/lxc/lxc/commit/e986ea3dfa4a2957f71ae9bfaed406dd6e1ffff6
https://security.gentoo.org/glsa/201711-09

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