Is CVE-2016-2779 actively exploited?

CVE-2016-2779 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2016-2779?

CVE-2016-2779 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-2779?

Patch guidance is available from kernel security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-2779.

Fix CVE-2016-2779 - HIGH kernel util-linux

Description

runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-264

Metadata

Primary Vendor: KERNEL
Published: 2/7/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

kernel : util-linux

Remediation Guidance

Executive Summary

Cite this page

CVE-2016-2779. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2016-2779

View on NIST NVD

CVE-2016-2779 vulnerability