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.
Published 2013-06-08 13:05:56
Updated 2013-06-10 17:30:03
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2011-4347

0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4347

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
MEDIUM AV:L/AC:H/Au:N/C:N/I:N/A:C
1.9
6.9
NIST

CWE ids for CVE-2011-4347

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4347

Products affected by CVE-2011-4347

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