CVE Vulnerability

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Information

Published : 2018-11-01 12:29

Updated : 2019-01-24 02:23

NVD link : CVE-2018-18883

Mitre link : CVE-2018-18883

Products Affected
No products.
CWE
CWE-476