CVE-2016-6259
Severity CVSS v4.0:
Pending analysis
Type:
CWE-20
Input Validation
Publication date:
02/08/2016
Last modified:
12/04/2025
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.
Impact
Base Score 3.x
6.20
Severity 3.x
MEDIUM
Base Score 2.0
4.90
Severity 2.0
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
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:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://support.citrix.com/article/CTX214954
- http://www.securityfocus.com/bid/92130
- http://www.securitytracker.com/id/1036447
- http://xenbits.xen.org/xsa/advisory-183.html
- http://xenbits.xen.org/xsa/xsa183-4.6.patch
- http://xenbits.xen.org/xsa/xsa183-unstable.patch
- http://support.citrix.com/article/CTX214954
- http://www.securityfocus.com/bid/92130
- http://www.securitytracker.com/id/1036447
- http://xenbits.xen.org/xsa/advisory-183.html
- http://xenbits.xen.org/xsa/xsa183-4.6.patch
- http://xenbits.xen.org/xsa/xsa183-unstable.patch