Description
An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.
Metrics
CVSS 3.0 8.8/10
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.securityfocus.com/bid/105817Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042021Third Party Advisory, VDB Entry
- https://xenbits.xen.org/xsa/advisory-278.htmlMitigation, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105817Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042021Third Party Advisory, VDB Entry
- https://xenbits.xen.org/xsa/advisory-278.htmlMitigation, Patch, Vendor Advisory
Timeline
- Published
- Nov 1, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified