What is CVE-2011-4347?

CVE-2011-4347 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10, classified as a Permissions, Privileges and Access Control flaw (CWE-264). CVE-2011-4347 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-4347?

CVE-2011-4347 has a CVSS score of 4.0 out of 10, rated Medium severity. The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2011-4347?

No patch is currently available for CVE-2011-4347. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-4347 actively exploited?

CVE-2011-4347 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/264.html

CVE-2011-4347

Medium

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.

Package Linux Kernel

Published 2013-06-08

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.0

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

User Interaction

Scope

Confidentiality

High

Integrity

None

Availability

Vector string

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

Weakness type

CWE-264

CVE-2011-4347 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-4347 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10
Openwall
http://www.openwall.com/lists/oss-security/2011/11/24/7
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=756084

Vendor Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4
Patch

Details

CVE ID CVE-2011-4347

Severity Medium

CVSS score 4.0 / 10

CVSS version 2.0

Published 2013-06-08

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-4347?

CVE-2011-4347 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2011-4347 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-4347?

CVE-2011-4347 has a CVSS score of 4.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2011-4347?

No patch is currently available for CVE-2011-4347. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-4347 actively exploited?

No — CVE-2011-4347 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. View CWE-264 on MITRE CWE →