CVE-2018-19406

Name: CVE-2018-19406
Creator: NVD / NIST
Published: 2018-11-21T00:29:01.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.36%

Last modified Jun 17, 2026

CVE-2018-19406 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.36%

27.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.19.2

References

http://www.securityfocus.com/bid/105988Third Party Advisory, VDB Entry
https://lkml.org/lkml/2018/11/20/411Patch, Third Party Advisory
http://www.securityfocus.com/bid/105988Third Party Advisory, VDB Entry
https://lkml.org/lkml/2018/11/20/411Patch, Third Party Advisory

Timeline

Published: Nov 21, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19406?

How severe is CVE-2018-19406?

Severity scoring for CVE-2018-19406 is pending analysis. The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19406?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19406?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST