Denial of Service Vulnerability in Xen 4.5.x through 4.7.x

CVE-2016-6259 · MEDIUM Severity

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

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

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