CVE-2011-4622 in Linux Kernel
Summary
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.
Reservation
11/29/2011
Disclosure
01/27/2012
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 4488 | Linux Kernel i8254.c create_pit_timer denial of service | 404 | Not defined | Official fix | CVE-2011-4622 |