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Date: Fri, 05 Sep 2008 17:01:47 +0800
From: Eugene Teo <eteo@...hat.com>
To: oss-security@...ts.openwall.com
CC: coley@...re.org
Subject: CVE request: kernel: local keyboard DoS through LED switching
This old issue needs a CVE name.
"[PATCH] Input: atkbd - throttle LED switching
On some boxes keyboard controllers are too slow to withstand
continuous flow of requests to turn keyboard LEDs on and off
and start losing some keypresses or even all of them.
Delay executing of LED switching request if we had another one
within 50 ms thus easing load on the controller."
Upstream commit:
da4249c99fd59c4e224e4f9acaf07669d205bb1d
Reproducer:
while true; do setleds +num; setleds -num; done
Reference:
http://lkml.org/lkml/2007/6/15/22
Thanks, Eugene
--
Eugene Teo / Red Hat Security Response Team
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