CVE-2011-4622

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)…

published January 27, 2012

CVSS
—
EPSS
0%
Percentile
26.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00347 · 26.8th percentile
Published
2012-01-27T15:00Z
EPSS history
Timeline
  • 27 JAN 15:00Z
    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)…
    cvelistv5