CVE-2011-4622
Medium
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.
SeverityMedium
CVSS4.9
Exploit probability—
Product
Redhat Kvm
PublishedJan 27, 2012
First seenJan 27, 2012
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat kvm | 83 | — |
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