CVE-2013-6400 in Xen
Summary
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.
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Reservation
11/04/2013
Disclosure
12/13/2013
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 11474 | Linux Foundation Xen IOMMU TLB Flush access control | 264 | Not defined | Official fix | CVE-2013-6400 |