alt+f7 gain full access to a password protected account

Asked by Goldy

On ubuntu 10.04, I choose System > Disconnect > Swich User,
then at the login screen I can click Ctrl+Alt+F4 to get a command line over a black screen, & then click Alt+F7 to redirect back to my password 'protected' desktop WITHOUT entering password!

How is it possible and how can I fix it?

I can't use "lock screen" because it aventualy freeze my desktop, & the only release is the "reset" button.

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actionparsnip (andrew-woodhead666) said :

I suggest you report a security bug

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