chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
History

Mon, 09 Jun 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-02-07T15:00:00.000Z

Updated: 2025-06-09T15:59:40.434Z

Reserved: 2016-02-28T00:00:00.000Z

Link: CVE-2016-2781

cve-icon Vulnrichment

Updated: 2024-08-05T23:32:20.994Z

cve-icon NVD

Status : Deferred

Published: 2017-02-07T15:59:00.333

Modified: 2025-06-09T16:15:25.013

Link: CVE-2016-2781

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-02-28T00:00:00Z

Links: CVE-2016-2781 - Bugzilla