-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On Sun, Dec 22, 2013 at 04:54:12PM +0100, Vincent Lefevre wrote: > Package: lightdm > Version: 1.8.5-2 > Severity: grave > Tags: security > Justification: user security hole > > Here's what I did: > 1. Quit me desktop session. > 2. In lightdm (whose screen appeared correctly), clicked on "Restart". > 3. Waited for the restart, chose the default Linux kernel... > > First lightdm seemed to be confused by the screen resolution because > the display of the login box didn't appear at the right place first. > Note that the machine is a laptop, and I use it at home with a larger > external screen, but since yesterday morning I'm no longer at home. > I wonder whether this is related (but note that in step 2, everything > was OK). > > Then the login box reappeared correctly. However the background was > still incorrect, with parts of my desktop screen, i.e. private data > accessible to everyone! There was nothing really private here, but > there could have been a password visible or other private information > or whatever. > > I'm attaching a photo I took of the laptop screen.
Looks like your graphics driver (most likely nvidia/nouveau) doesn't clean the video memory. Definitely not a lightdm issue. Regards, - -- Yves-Alexis Perez -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAEBCgAGBQJStyRkAAoJEG3bU/KmdcClCQ0H/2zKGEXX5rdiHwdrB7ZgDdQX sNTxhZ9NoQ4YYkzQqKCbsuEqvtSSHERvw6fZXTEbyzqG1lZn90tkoScXKxOWdGT+ OFz6KumwCbLJNP73ZQ/AnXXOSiftQRUcplQr2Rgmcu++twcKVkH7IYe7CiGHy5LT STt+rJmcVX7TQdemAsnO6a5BfFpZdEhGhS9v6r3n2veg6FlwcReURRzx5K5owt3+ 5w2aTGsTbEy93FmZTBbCmCqNZlmjeWJBrlYBFxYb+ecnvTn3aub4qKLPrRSLLvAO 7vB8i/LACgmQt4xPKhrtH4MieOLJdotDCeD5w7HNV1qs/bcWBG0fFQ4WDCnH7L0= =7vwE -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org