Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
                
            References
                    | Link | Resource | 
|---|---|
| http://www.securityfocus.com/bid/94470 | Third Party Advisory VDB Entry | 
| http://www.securitytracker.com/id/1037341 | Third Party Advisory VDB Entry | 
| http://xenbits.xen.org/xsa/advisory-192.html | Patch Vendor Advisory | 
| https://security.gentoo.org/glsa/201612-56 | |
| https://support.citrix.com/article/CTX218775 | Patch Third Party Advisory | 
| http://www.securityfocus.com/bid/94470 | Third Party Advisory VDB Entry | 
| http://www.securitytracker.com/id/1037341 | Third Party Advisory VDB Entry | 
| http://xenbits.xen.org/xsa/advisory-192.html | Patch Vendor Advisory | 
| https://security.gentoo.org/glsa/201612-56 | |
| https://support.citrix.com/article/CTX218775 | Patch Third Party Advisory | 
Configurations
                    Configuration 1 (hide)
| 
 | 
Configuration 2 (hide)
| 
 | 
History
                    21 Nov 2024, 03:01
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () http://www.securityfocus.com/bid/94470 - Third Party Advisory, VDB Entry | |
| References | () http://www.securitytracker.com/id/1037341 - Third Party Advisory, VDB Entry | |
| References | () http://xenbits.xen.org/xsa/advisory-192.html - Patch, Vendor Advisory | |
| References | () https://security.gentoo.org/glsa/201612-56 - | |
| References | () https://support.citrix.com/article/CTX218775 - Patch, Third Party Advisory | 
Information
                Published : 2017-01-23 21:59
Updated : 2025-04-20 01:37
NVD link : CVE-2016-9382
Mitre link : CVE-2016-9382
CVE.ORG link : CVE-2016-9382
JSON object : View
Products Affected
                xen
- xen
citrix
- xenserver
CWE
                
                    
                        
                        CWE-264
                        
            Permissions, Privileges, and Access Controls
