Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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.
Source:
MITRE
Description Last Modified:
01/27/2012
Impact
CVSS v2.0 Severity and Metrics:
Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
(V2 legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Complete
Additional Information:
Allows disruption of service
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Change History
2 change records found
- show changes
CVE Modified by MITRE -
12/28/2017 9:29:05 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html [No Types Assigned] |
Initial CVE Analysis -
1/30/2012 10:47:00 AM