CVE-2012-1601

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Summary

CVECVE-2012-1601
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-05-17 11:00:37 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
KVM Null Pointer Dereference in irqchip_in_kernel() Lets Local Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
oss-security - Re: CVE request -- kernel: kvm: irqchip_in_kernel() and vcpu->arch.apic inconsistency af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
808199 – (CVE-2012-1601) CVE-2012-1601 kernel: kvm: irqchip_in_kernel() and vcpu->arch.apic inconsistency af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
Debian -- Security Information -- DSA-2469-1 linux-2.6 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
KVM: Ensure all vcpus are consistent with in-kernel irqchip settings · torvalds/linux@9c89516 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Security Advisory SA49928 - Ubuntu update for linux - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
SUSE-SU-2012:1679-1 af854a3a-2127-422b-91ae-364da2661108 www.suse.com
rhn.redhat.com/errata/RHSA-2012-0571.html af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
[security-announce] openSUSE-SU-2013:0925-1: important: kernel: security af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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