CVE-2013-4394
systemd: Improper sanitization of invalid XKB layouts descriptions (privilege escalation when custom PolicyKit local authority file used)
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · September 23, 2013
Updated · November 21, 2025
Description
The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors involving "special and control characters."
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5.9AV:L/AC:H/Au:N/C:C/I:C/A:P
CWE not specified