CVE-2011-4347

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Summary

CVECVE-2011-4347
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-06-08 13:05:55 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.

Risk And Classification

Primary CVSS: v2.0 4 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 3.1.1 All All All
Operating System Linux Linux Kernel 3.1.2 All All All
Operating System Linux Linux Kernel 3.1.3 All All All
Operating System Linux Linux Kernel 3.1.4 All All All
Operating System Linux Linux Kernel 3.1.5 All All All
Operating System Linux Linux Kernel 3.1.6 All All All
Operating System Linux Linux Kernel 3.1.7 All All All
Operating System Linux Linux Kernel 3.1.8 All All All
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: Device assignment permission checks · torvalds/linux@c4e7f90 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Bug 756084 – CVE-2011-4347 kernel: kvm: device assignment DoS af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Vendor Advisory
oss-security - Re: CVE request -- kernel: kvm: device assignment DoS af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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