CVE-2018-14634

HIGHCISA KEVEPSS 96th pctl

7.8

CVSS v3

Description

An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.

CWE-190Integer Overflow

How to fix

Remediation Available

linuxDebian

Fixed in:4.12.6-1CVE-2018-14634

linuxUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-genericUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-generic-lpaeUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-lowlatencyUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-powerpc-e500Ubuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-powerpc-e500mcUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-powerpc-smpUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-powerpc64-embUbuntu

Fixed in:3.13.0-160.210USN-3775-1

linux-image-3.13.0-160-powerpc64-smpUbuntu

Fixed in:3.13.0-160.210USN-3775-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

14.69%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-02-16

References

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	92%	-	-
CVE-2017-3599	High	7.5	84%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

Common questions

How do I fix CVE-2018-14634?

Published advisories record a fix for 10 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-14634 being actively exploited?

Yes. CVE-2018-14634 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-02-16. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2018-14634?

CVE-2018-14634 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-14634 affect?

Published advisories record a fix for linux (Debian), linux (Ubuntu), linux-image-3.13.0-160-generic (Ubuntu), linux-image-3.13.0-160-generic-lpae (Ubuntu), and 6 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2018-14634

Markdown

[![CVE-2018-14634](https://tridentstack.com/cve/badge/CVE-2018-14634.svg)](https://tridentstack.com/cve/CVE-2018-14634)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-14634"><img src="https://tridentstack.com/cve/badge/CVE-2018-14634.svg" alt="CVE-2018-14634"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-27.