| Package | Affected versions | Patched versions |
|---|---|---|
| xenserver | = 6.0= 6.0.2= 6.1= 6.2.0= 6.5.0= 7.0 |
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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