Public bug reported:
Binary package hint: kdebase-workspace-bin
If the KDE Desktop is allowed to blank the screen and lock itself, and
an object (usually a cat, but occasionally a malicious attacker) then
rests on the keyboard causing the password prompt to appear, the
password entry routine will hang once sufficient key repeats have
happened.
The user cannot then unlock the KDE desktop.
As a temporary fix I have SSH'd into colleagues machines and killed the
krunner_lock process.
This was noted on current Jaunty 9.04 installations with both USB and
internal laptop keyboards.
Technically this may be considered a security issue as it bears all the
hallmarks of a DoS attack.
** Affects: kdebase-workspace (Ubuntu)
Importance: Undecided
Status: New
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KDE Screen lock siezes if keys are held down while waiting for password
https://bugs.launchpad.net/bugs/376253
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