CVE-2016-10124

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.

Published: 2017-01-09 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-10124 is rated Moderate Risk (49.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.22%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-10124

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-03 0.28% 0.22% -0.06%
2 2025-03-30 0.72% 0.28% -0.44%
3 2025-03-29 0.72%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-10124

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.6 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 4.0 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-10124

OS Trackers for CVE-2016-10124

vendor priority summary link
debian not yet assigned CVE-2016-10124 not yet assigned priority: Debian including 1 source packages (lxc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-10124
gentoo normal CVE-2016-10124: 1 GLSA(s) (201711-09), 1 atom(s) (app-emulation/lxc); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-10124
suse medium https://www.suse.com/security/cve/CVE-2016-10124/
ubuntu medium CVE-2016-10124 medium priority: Ubuntu including 1 source packages (lxc), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): not-affected 3, released 2, ignored 1. https://ubuntu.com/security/CVE-2016-10124

Affected software / configurations for CVE-2016-10124

Vendor Product Version Raw CPE
linuxcontainers lxc <= 2.0.0 cpe:2.3:a:linuxcontainers:lxc:*:rc1:*:*:*:*:*:*

References for CVE-2016-10124

cvelogic Threat Intelligence