# CVE-2018-14634: Linux Kernel Integer Overflow Vulnerability

> CVE-2018-14634: Linux Kernel Integer Overflow Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-14634
Last updated: 2026-01-27T13:34:52Z

- Published: 2018-09-25 21:00 UTC · Updated: 2026-01-27 13:34 UTC · Assigner: redhat
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 14.7%, 97th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-01-26, federal due date 2026-02-16, ransomware use: Unknown
- CWE: CWE-190

## 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.

## CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- The Linux Foundation: kernel

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-14634)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-14634)
- [https://access.redhat.com/errata/RHSA-2018:2748](https://access.redhat.com/errata/RHSA-2018:2748)
- [https://access.redhat.com/errata/RHSA-2018:2763](https://access.redhat.com/errata/RHSA-2018:2763)
- [https://access.redhat.com/errata/RHSA-2018:2846](https://access.redhat.com/errata/RHSA-2018:2846)
- [https://access.redhat.com/errata/RHSA-2018:2924](https://access.redhat.com/errata/RHSA-2018:2924)
- [https://access.redhat.com/errata/RHSA-2018:2925](https://access.redhat.com/errata/RHSA-2018:2925)
- [https://access.redhat.com/errata/RHSA-2018:2933](https://access.redhat.com/errata/RHSA-2018:2933)
- [https://access.redhat.com/errata/RHSA-2018:3540](https://access.redhat.com/errata/RHSA-2018:3540)
- [https://access.redhat.com/errata/RHSA-2018:3586](https://access.redhat.com/errata/RHSA-2018:3586)
- [https://access.redhat.com/errata/RHSA-2018:3590](https://access.redhat.com/errata/RHSA-2018:3590)
- [https://access.redhat.com/errata/RHSA-2018:3591](https://access.redhat.com/errata/RHSA-2018:3591)
- [https://access.redhat.com/errata/RHSA-2018:3643](https://access.redhat.com/errata/RHSA-2018:3643)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=CVE-2018-14634](https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634)
- [https://security.netapp.com/advisory/ntap-20190204-0002/](https://security.netapp.com/advisory/ntap-20190204-0002/)
- [https://security.paloaltonetworks.com/CVE-2018-14634](https://security.paloaltonetworks.com/CVE-2018-14634)
- [https://support.f5.com/csp/article/K20934447?utm\_source=f5support&amp%3Butm\_medium=RSS](https://support.f5.com/csp/article/K20934447?utm_source=f5support&amp%253Butm_medium=RSS)
- [https://usn.ubuntu.com/3775-1/](https://usn.ubuntu.com/3775-1/)
- [https://usn.ubuntu.com/3775-2/](https://usn.ubuntu.com/3775-2/)
- [https://usn.ubuntu.com/3779-1/](https://usn.ubuntu.com/3779-1/)
- [https://www.exploit-db.com/exploits/45516/](https://www.exploit-db.com/exploits/45516/)
- [https://www.openwall.com/lists/oss-security/2018/09/25/4](https://www.openwall.com/lists/oss-security/2018/09/25/4)
- [http://www.openwall.com/lists/oss-security/2021/07/20/2](http://www.openwall.com/lists/oss-security/2021/07/20/2)
- [http://www.securityfocus.com/bid/105407](http://www.securityfocus.com/bid/105407)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2018-14634 · Markdown: https://rewindex.com/cve/CVE-2018-14634.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-14634 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T01:59:18.481Z