Medium severity6.2NVD Advisory· Published Aug 2, 2016· Updated Jun 17, 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
20cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.1:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.5.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*
- (no CPE)range: 4.5.x - 4.7.x
- osv-coords5 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 4.7.0_12-1.3+ 4 more
- (no CPE)range: < 4.7.0_12-1.3
- (no CPE)range: < 4.5.3_08-17.1
- (no CPE)range: < 4.5.3_08-17.1
- (no CPE)range: < 4.5.3_08-17.1
- (no CPE)range: < 4.5.3_08-17.1
Patches
Vulnerability mechanics
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
0No linked articles in our index yet.