8.8

CVE-2018-18883

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xen ≫ Xen Version >= 4.9.0 <= 4.11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.44% 0.347
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2 6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://www.securityfocus.com/bid/105817
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1042021
Third Party Advisory
VDB Entry
https://xenbits.xen.org/xsa/advisory-278.html
Patch
Vendor Advisory
Mitigation