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.
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
http://www.openwall.com/lists/oss-security/2016/02/28/3
http://www.openwall.com/lists/oss-security/2016/02/28/2
Source: Mitre, NVD
Published: 2017-02-07
Updated: 2023-11-07
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 6.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Severity: Medium