Denial of Service Vulnerability in Xen 3.3 and Earlier via Unspecified Hypercalls

CVE-2011-2901 · MEDIUM Severity

AV:A/AC:L/AU:S/C:N/I:N/A:C

Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.

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