CVE-2018-13406

Name: CVE-2018-13406
Creator: NVD / NIST
Published: 2018-07-06T14:29:01.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2018-13406 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.

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

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 2.6.24, < 3.16.58
Linux	Linux Kernel	>= 3.17, < 3.18.114
Linux	Linux Kernel	>= 3.19, < 4.4.139
Linux	Linux Kernel	>= 4.5, < 4.9.111
Linux	Linux Kernel	>= 4.10, < 4.14.53
Linux	Linux Kernel	>= 4.15, < 4.17.4
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
http://www.securityfocus.com/bid/104685Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041355Third Party Advisory, VDB Entry
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4Release Notes
https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3752-1/Third Party Advisory
https://usn.ubuntu.com/3752-2/Third Party Advisory
https://usn.ubuntu.com/3752-3/Third Party Advisory
https://usn.ubuntu.com/3753-1/Third Party Advisory
https://usn.ubuntu.com/3753-2/Third Party Advisory
https://usn.ubuntu.com/3754-1/Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
http://www.securityfocus.com/bid/104685Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041355Third Party Advisory, VDB Entry
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4Release Notes
https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3752-1/Third Party Advisory
https://usn.ubuntu.com/3752-2/Third Party Advisory
https://usn.ubuntu.com/3752-3/Third Party Advisory
https://usn.ubuntu.com/3753-1/Third Party Advisory
https://usn.ubuntu.com/3753-2/Third Party Advisory
https://usn.ubuntu.com/3754-1/Third Party Advisory

Timeline

Published: Jul 6, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-13406?

How severe is CVE-2018-13406?

CVE-2018-13406 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2018-13406?

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-2018-13406?

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

Scan your code now

Source: NVD / NIST