CVE-2018-14634

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…

Browse: All 2018 CVEs · All vendors

CVSS score: 7.8 High
CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA KEV: Yes — actively exploited (added 2026-01-26, remediation due 2026-02-16)
Weakness (CWE): CWE-190
Published: 2018-09-25
Last modified: 2026-06-17
NVD status: Analyzed

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.

Affected products

paloaltonetworks pan-os
f5 big-ip access policy manager
f5 big-ip advanced firewall manager
f5 big-ip analytics
f5 big-ip application acceleration manager
f5 big-ip application security manager
f5 big-ip domain name system
f5 big-ip edge gateway
f5 big-ip fraud protection service
f5 big-ip global traffic manager
f5 big-ip link controller
f5 big-ip local traffic manager

Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2026-02-16.

How to prioritize this

This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.

References

FAQ

Is CVE-2018-14634 actively exploited?

Yes. CISA added CVE-2018-14634 to its Known Exploited Vulnerabilities (KEV) catalog on 2026-01-26, with a federal remediation deadline of 2026-02-16. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.

What is the CVSS score of CVE-2018-14634?

CVE-2018-14634 has a CVSS base score of 7.8 (High). Its vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Related vulnerabilities

Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.