CVE-2016-6259

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/bid/92130
• http://support.citrix.com/article/CTX214954
• http://www.securitytracker.com/id/1036447
• http://xenbits.xen.org/xsa/xsa183-unstable.patch
• http://xenbits.xen.org/xsa/advisory-183.html
• http://xenbits.xen.org/xsa/xsa183-4.6.patch

References

• http://www.securityfocus.com/bid/92130
• http://support.citrix.com/article/CTX214954
• http://www.securitytracker.com/id/1036447
• http://xenbits.xen.org/xsa/xsa183-unstable.patch
• http://xenbits.xen.org/xsa/advisory-183.html
• http://xenbits.xen.org/xsa/xsa183-4.6.patch

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