Vulnerability Monitor

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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.

Published

2013-06-08T13:05:55.517

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.0 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

1.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 3.1.9 Yes
Operating System linux linux_kernel 3.1.1 Yes
Operating System linux linux_kernel 3.1.2 Yes
Operating System linux linux_kernel 3.1.3 Yes
Operating System linux linux_kernel 3.1.4 Yes
Operating System linux linux_kernel 3.1.5 Yes
Operating System linux linux_kernel 3.1.6 Yes
Operating System linux linux_kernel 3.1.7 Yes
Operating System linux linux_kernel 3.1.8 Yes
References