OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character and block devices.
http://www.ciac.org/ciac/bulletins/j-066.shtml
Source: Mitre, NVD
Published: 1999-08-03
Updated: 2026-06-16
Base Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P
Severity: Low
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity: Critical
EPSS: 0.00082