CVE-2011-4622
N/A
Published: January 27, 2012 at 03:00 PM UTC
Updated: June 16, 2026 at 11:35 PM UTC
1 product affected across 1 vendorKVM
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Severity
N/A
Exploit prediction
EPSS 0.3%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (8)
Vendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.htmlMailing Listx_refsource_MLISTPatch
Source: [email protected]
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2011/12/21/7Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
http://www.redhat.com/support/errata/RHSA-2012-0051.htmlQuick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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