CVEvulnerability

CVE-2013-6400

6.8 MEDIUM Published 2013-12-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2013-12-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:A/AC:H/Au:N/C:C/I:C/A:C
Weaknesses
CWE-264

Description

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.

Affected configurations

• xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.3.0 • xen xen 4.3.1

Related

Weakness · not in database (1)

References