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cvelistRedhatCVELIST:CVE-2011-4622
HistoryJan 27, 2012 - 3:00 p.m.

CVE-2011-4622

2012-01-2715:00:00
redhat
www.cve.org
8

AI Score

6.4

Confidence

High

EPSS

0

Percentile

5.1%

The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer.