| Package | Affected versions | Patched versions |
|---|---|---|
| xenserver | = 6.0.2= 6.2.0= 6.5= 7.0 |
The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.
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