Xen 4.0, and 4.1, when running a 64-bit PV guest...
Vulnerability Description
Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217.
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://secunia.com/advisories/55082
- http://support.amd.com/us/Processor_TechDocs/25759.pdf
- http://www.securityfocus.com/bid/53961
- http://secunia.com/advisories/51413
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2501
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
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Affected Software
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.