CVE-2018-7542

MEDIUM

Xen 4.8.0-4.10.0 - Denial of Service via Local APIC Mishandling

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Vendor Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-256.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201810-06
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040776
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4131

Scores

CVSS v3 6.5
EPSS 0.0005
EPSS Percentile 16.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (2)
debian/debian_linux 9.0
xen/xen 4.8.0 - 4.10.0
Published Feb 27, 2018
Tracked Since Feb 18, 2026