Improper Access Control Affecting lxc package, versions <1:2.0.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Sept 2026
- disclosed9 Jan 2017
Introduced: 9 Jan 2017
CVE-2016-10124 (opens in a new tab)How to fix?
Upgrade Echo:latest lxc to version 1:2.0.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lxc package and not the lxc package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.
References
- https://advisory.echohq.com/cve/CVE-2016-10124
- 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