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CVE-2011-4347

UnknownEPSS 0.37%

Last modified

CVE-2011-4347 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.37%

28.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 3.1.9
LinuxLinux Kernel3.1.1
LinuxLinux Kernel3.1.2
LinuxLinux Kernel3.1.3
LinuxLinux Kernel3.1.4
LinuxLinux Kernel3.1.5
LinuxLinux Kernel3.1.6
LinuxLinux Kernel3.1.7
LinuxLinux Kernel3.1.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2011-4347?
Severity scoring for CVE-2011-4347 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4347?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4347?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST