CVE Vulnerability

CVE-2018-7542

An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2 / Impact : 4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://xenbits.xen.org/xsa/advisory-256.html Vendor Advisory
https://www.debian.org/security/2018/dsa-4131 Third Party Advisory
http://www.securitytracker.com/id/1040776
https://security.gentoo.org/glsa/201810-06
Configurations

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-02-27 07:29

Updated : 2018-10-31 10:32

NVD link : CVE-2018-7542

Mitre link : CVE-2018-7542

Products Affected
No products.
CWE
CWE-476