How severe is CVE-2016-10124?

CVE-2016-10124 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-10124 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10124?

CVE-2016-10124 affects Linuxcontainers Lxc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10124?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-10124 published?

CVE-2016-10124 was published on 2017-01-09 and last updated on 2026-06-17.

CVE-2016-10124

CVE-2016-10124 is a high-severity vulnerability in Linuxcontainers Lxc with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Linuxcontainers Lxc
Published: 2017-01-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-10124?: CVE-2016-10124 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-10124 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10124?: CVE-2016-10124 affects Linuxcontainers Lxc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10124?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-10124 published?: CVE-2016-10124 was published on 2017-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxcontainers:lxc:*:rc1:*:*:*:*:*:*

More vulnerabilities in Linuxcontainers Lxc

CVE-2016-8649 — Critical (CVSS 9.1): lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an…
CVE-2019-5736 — High (CVSS 8.6): runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc…
CVE-2017-18641 — High (CVSS 8.1): In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running…
CVE-2015-1335 — High (CVSS 7.2): lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor…
CVE-2013-6441 — High (CVSS 7.2): The lxc-sshd template (templates/lxc-sshd.in) in LXC before 1.0.0.beta2 uses read-write permissions when mounting…
CVE-2026-39402 — Medium (CVSS 6.5): lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the…

All CVEs affecting Linuxcontainers Lxc →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →