vulnerability

Ubuntu: USN-6395-1 (CVE-2023-43090): GNOME Shell vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Sep 21, 2023
Added
Sep 22, 2023
Modified
Mar 27, 2026

Description

A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.

Solution

ubuntu-upgrade-gnome-shell
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.