CVE-2016-6259
Medium
Description
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.
SeverityMedium
CVSS6.2
Exploit probability—
Product
Xen
PublishedAug 2, 2016
First seenAug 2, 2016
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.6.0, 4.6.1, 4.6.3, 4.7.0 | — |
| citrix xenserver | 6.0, 6.0.2, 6.1, 6.2.0, 6.5.0, 7.0 | — |
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