Xen 4.1.1 and earlier allows local guest OS kernels with...
Vulnerability Description
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07a
- http://www.debian.org/security/2012/dsa-2582
- http://secunia.com/advisories/45622
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html
- http://secunia.com/advisories/51468
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html
- http://www.securityfocus.com/bid/49146
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.