Vulnerability Monitor

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CVE-2013-6400

Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.

Published

2013-12-13T18:55:05.317

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

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

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

3.2

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System xen xen 4.2.0 Yes
Operating System xen xen 4.2.1 Yes
Operating System xen xen 4.2.2 Yes
Operating System xen xen 4.2.3 Yes
Operating System xen xen 4.3.0 Yes
Operating System xen xen 4.3.1 Yes
References