VULNERABILITY INTELLIGENCE

CVE-2018-19406

CVSS score5.5 MEDIUM

EPSS probability0.36%

CISA KEVNot currently listed

Published2018-11-21

Last modified2026-06-17

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

Description

kvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.

Weakness classification

CWE-476: NULL Pointer Dereference

Primary references

cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory