CVE-2017-18079

Name: CVE-2017-18079
Creator: NVD / NIST
Published: 2018-01-29T05:29:00.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2017-18079 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.94
Linux	Linux Kernel	>= 3.3, < 3.16.49
Linux	Linux Kernel	>= 3.17, < 3.18.63
Linux	Linux Kernel	>= 3.19, < 4.1.44
Linux	Linux Kernel	>= 4.2, < 4.4.79
Linux	Linux Kernel	>= 4.5, < 4.9.40
Linux	Linux Kernel	>= 4.10, < 4.12.4
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226Issue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/102895Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226Patch
https://usn.ubuntu.com/3655-1/Third Party Advisory
https://usn.ubuntu.com/3655-2/Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Issue Tracking, Patch, Release Notes
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226Issue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/102895Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226Patch
https://usn.ubuntu.com/3655-1/Third Party Advisory
https://usn.ubuntu.com/3655-2/Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Issue Tracking, Patch, Release Notes

Timeline

Published: Jan 29, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18079?

How severe is CVE-2017-18079?

CVE-2017-18079 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18079?

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-2017-18079?

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

Scan your code now

Source: NVD / NIST