Denial of Service Vulnerability in Xen 4.0 and 4.1 on Older AMD CPUs

CVE-2012-2934 · LOW Severity

AV:L/AC:M/AU:N/C:N/I:N/A:P

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.

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