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[Full-Disclosure] Xfree86 video buffering?
- To: "full- >> \"Full-Disclosure (E-mail)\"" <full-disclosure@xxxxxxxxxxxxxxxx>
- Subject: [Full-Disclosure] Xfree86 video buffering?
- From: "KF (lists)" <kf_lists@xxxxxxxxxxxxxxxxxxx>
- Date: Wed, 23 Feb 2005 16:08:36 -0500
Recently I have noticed that after shutting down my machine or rebooting
my X-windows will briefly flash an image of whatever I was doing when I
rebooted the machine or logged out.
As an example if I was browsing porn at night in mozilla just before I
clicked "K->Logout...->Reboot Computer" in KDE, the next morning when my
Girlfriend turns my computer on she gets a quick 2 second shot of my
porn just before the KDM login screen.
What causes this? Can it be prevented? I can certainly see sensitive
data potentially being leaked via this quirk.
-KF
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