CVE-2016-2312 Security feature bypass in n/a

Medium 6.8 Published Updated

Attackers can bypass the lock screen by turning off all screens and then turning one back on, gaining unauthorized access to the desktop.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2016-2312?

CVE-2016-2312 is a medium-severity vulnerability in Fedoraproject Fedora, published on 23 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.

Weakness: CWE-254

Which versions are affected by CVE-2016-2312?

It affects 4 products.

Linux distribution packages (1)
kscreenlocker openSUSE:TumbleweedAll versions5.8.4-1.1

Products include Fedoraproject Fedora, Kde Kscreenlocker, Kde Plasma-Workspace, Opensuse Leap.

How do I fix CVE-2016-2312?

Apply the vendor's patch.

Is CVE-2016-2312 being exploited?

There is no known exploitation of CVE-2016-2312 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-2312, GHSA-pwf3-h35x-h5rg, openSUSE-SU-2024:10081-1.

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