CVE-2011-4622

MEDIUM Year: 2011
CVSS v2 Score
4.9
Medium
Weakness Type
NVD-CWE-Other
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Vulnerability Description

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.

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