CVE-2011-4622
- State
- Published
- Severity
- Not scored
- Published
- Jan 27, 2012
- Updated
- Aug 7, 2024
- Reserved
- Nov 29, 2011
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- RHSA-2012:0051vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=769721
- 51172vdb-entry
- [oss-security] 20111221 Re: kernel: kvm: pit timer with no irqchip crashes the systemmailing-list
- [kvm] 20111214 [PATCH 1/2] KVM: x86: Prevent starting PIT timers in the absence of irqchip supportmailing-list
- SUSE-SU-2012:0616vendor-advisory
- openSUSE-SU-2013:0925vendor-advisory
- 1026559vdb-entry
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