Description
VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.
Metrics
CVSS 3.0 5.5/10
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.securityfocus.com/bid/95026Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037518Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-203.htmlPatch, Vendor Advisory
- https://support.citrix.com/article/CTX219378Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95026Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037518Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-203.htmlPatch, Vendor Advisory
- https://support.citrix.com/article/CTX219378Patch, Third Party Advisory
Timeline
- Published
- Jan 26, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified