CVE-2018-7542

6.5 mediumEPSS 0.4%

Medium (6.5). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2018-02-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
xen:xen

References

http://www.securitytracker.com/id/1040776
https://security.gentoo.org/glsa/201810-06
https://www.debian.org/security/2018/dsa-4131
https://xenbits.xen.org/xsa/advisory-256.html
http://www.securitytracker.com/id/1040776

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