Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.
References
| Link | Resource |
|---|---|
| http://www.securityfocus.com/bid/93344 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1036942 | Third Party Advisory VDB Entry |
| http://xenbits.xen.org/xsa/advisory-190.html | Mitigation Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201611-09 | |
| https://support.citrix.com/article/CTX217363 | |
| http://www.securityfocus.com/bid/93344 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1036942 | Third Party Advisory VDB Entry |
| http://xenbits.xen.org/xsa/advisory-190.html | Mitigation Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201611-09 | |
| https://support.citrix.com/article/CTX217363 |
Configurations
History
21 Nov 2024, 02:58
| Type | Values Removed | Values Added |
|---|---|---|
| References | () http://www.securityfocus.com/bid/93344 - Third Party Advisory, VDB Entry | |
| References | () http://www.securitytracker.com/id/1036942 - Third Party Advisory, VDB Entry | |
| References | () http://xenbits.xen.org/xsa/advisory-190.html - Mitigation, Patch, Vendor Advisory | |
| References | () https://security.gentoo.org/glsa/201611-09 - | |
| References | () https://support.citrix.com/article/CTX217363 - |
Information
Published : 2016-10-07 14:59
Updated : 2024-11-21 02:58
NVD link : CVE-2016-7777
Mitre link : CVE-2016-7777
CVE.ORG link : CVE-2016-7777
JSON object : View
Products Affected
xen
- xen
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')