CVE-2011-4347

The 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.

CVSS v2.0 4.0 MEDIUM

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 1.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4
https://bugzilla.redhat.com/show_bug.cgi?id=756084	Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10
http://www.openwall.com/lists/oss-security/2011/11/24/7

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:3.1.3:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.2:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.1:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.8:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.5:::::::*
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:3.1.7:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.6:::::::*
	cpe:2.3:o:linux:linux_kernel:3.1.4:::::::*

Information

Published : 2013-06-08 06:05

Updated : 2013-06-10 10:30

NVD link : CVE-2011-4347

Mitre link : CVE-2011-4347

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

Advertisement

Products Affected

linux

linux_kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4", "name": "https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4", "tags": [], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=756084", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=756084", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10", "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10", "tags": [], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2011/11/24/7", "name": "[oss-security] 20111124 Re: CVE request -- kernel: kvm: device assignment DoS", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-264"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-4347", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.0, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2013-06-08T13:05Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.1.9"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2013-06-10T17:30Z"}