CVE-2018-19407

Name: CVE-2018-19407
Creator: NVD / NIST
Published: 2018-11-21T00:29:01.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.48%

Last modified Jun 17, 2026

CVE-2018-19407 is a vulnerability of currently unknown severity. The vcpu_scan_ioapic function in arch/x86/kvm/x86.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 ioapic is uninitialized.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

The vcpu_scan_ioapic function in arch/x86/kvm/x86.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 ioapic is uninitialized.

Metrics

EPSS Probability

0.48%

37.6th 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
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

http://www.securityfocus.com/bid/105987Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lkml.org/lkml/2018/11/20/580Patch, Third Party Advisory
https://usn.ubuntu.com/3871-1/Third Party Advisory
https://usn.ubuntu.com/3871-3/Third Party Advisory
https://usn.ubuntu.com/3871-4/Third Party Advisory
https://usn.ubuntu.com/3871-5/Third Party Advisory
https://usn.ubuntu.com/3872-1/Third Party Advisory
https://usn.ubuntu.com/3878-1/Third Party Advisory
https://usn.ubuntu.com/3878-2/Third Party Advisory
https://usn.ubuntu.com/3879-1/Third Party Advisory
https://usn.ubuntu.com/3879-2/Third Party Advisory
http://www.securityfocus.com/bid/105987Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lkml.org/lkml/2018/11/20/580Patch, Third Party Advisory
https://usn.ubuntu.com/3871-1/Third Party Advisory
https://usn.ubuntu.com/3871-3/Third Party Advisory
https://usn.ubuntu.com/3871-4/Third Party Advisory
https://usn.ubuntu.com/3871-5/Third Party Advisory
https://usn.ubuntu.com/3872-1/Third Party Advisory
https://usn.ubuntu.com/3878-1/Third Party Advisory
https://usn.ubuntu.com/3878-2/Third Party Advisory
https://usn.ubuntu.com/3879-1/Third Party Advisory
https://usn.ubuntu.com/3879-2/Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-19407?

How severe is CVE-2018-19407?

Severity scoring for CVE-2018-19407 is pending analysis. The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19407?

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-2018-19407?

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

Scan your code now

Source: NVD / NIST