Medium severity6.2NVD Advisory· Published Aug 2, 2016· Updated May 6, 2026
CVE-2016-6259
CVE-2016-6259
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- xenbits.xen.org/xsa/advisory-183.htmlnvdMailing ListPatch
- xenbits.xen.org/xsa/xsa183-4.6.patchnvdMitigationPatch
- xenbits.xen.org/xsa/xsa183-unstable.patchnvdMitigationPatch
- support.citrix.com/article/CTX214954nvdVendor Advisory
- www.securityfocus.com/bid/92130nvdThird Party Advisory
- www.securitytracker.com/id/1036447nvdThird Party Advisory
News mentions
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