--- title: "CVE-2018-14634: Integer Overflow or Wraparound | CubePath" 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…" language: en source: https://cubepath.com/security/cve/CVE-2018-14634 --- # CVE-2018-14634: Integer Overflow or Wraparound | CubePath ## 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. Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-14634) ## Key data ### CVSS 3.0 High 7.8 Score published by redhat in the CVE record. CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------------- | | Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.14689 (14.7% probability) Percentile 96.7% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Linux Kernel Integer Overflow Vulnerability Added to the catalog Jan 26, 2026 Federal due date Feb 16, 2026 ### CISA assessment as of Jan 27, 2026 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact total ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-190](https://cwe.mitre.org/data/definitions/190.html) Integer Overflow or Wraparound ## Affected products Products listed in the CVE record, as the CNA published them. - The Linux Foundation kernel - affected: 2.6.x, 3.10.x, 4.14.x ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [RHSA-2018:3540](https://access.redhat.com/errata/RHSA-2018:3540) (access.redhat.com) vendor-advisory - [security.netapp.com/advisory/ntap-20190204-0002](https://security.netapp.com/advisory/ntap-20190204-0002/) - [RHSA-2018:2925](https://access.redhat.com/errata/RHSA-2018:2925) (access.redhat.com) vendor-advisory - [RHSA-2018:3591](https://access.redhat.com/errata/RHSA-2018:3591) (access.redhat.com) vendor-advisory - [45516](https://www.exploit-db.com/exploits/45516/) (exploit-db.com) exploit - [USN-3775-1](https://usn.ubuntu.com/3775-1/) (usn.ubuntu.com) vendor-advisory - [RHSA-2018:2933](https://access.redhat.com/errata/RHSA-2018:2933) (access.redhat.com) vendor-advisory - [USN-3779-1](https://usn.ubuntu.com/3779-1/) (usn.ubuntu.com) vendor-advisory - [RHSA-2018:2748](https://access.redhat.com/errata/RHSA-2018:2748) (access.redhat.com) vendor-advisory - [RHSA-2018:3590](https://access.redhat.com/errata/RHSA-2018:3590) (access.redhat.com) vendor-advisory - [USN-3775-2](https://usn.ubuntu.com/3775-2/) (usn.ubuntu.com) vendor-advisory - [RHSA-2018:2763](https://access.redhat.com/errata/RHSA-2018:2763) (access.redhat.com) vendor-advisory - [105407](http://www.securityfocus.com/bid/105407) (securityfocus.com) vdb-entry - [RHSA-2018:2924](https://access.redhat.com/errata/RHSA-2018:2924) (access.redhat.com) vendor-advisory - [RHSA-2018:3586](https://access.redhat.com/errata/RHSA-2018:3586) (access.redhat.com) vendor-advisory - [RHSA-2018:3643](https://access.redhat.com/errata/RHSA-2018:3643) (access.redhat.com) vendor-advisory - [RHSA-2018:2846](https://access.redhat.com/errata/RHSA-2018:2846) (access.redhat.com) vendor-advisory - [\[oss-security\] 20180925 Integer overflow in Linux's create\_elf\_tables() (CVE-2018-14634)](https://www.openwall.com/lists/oss-security/2018/09/25/4) (openwall.com) mailing-list - [bugzilla.redhat.com/show\_bug.cgi?id=CVE-2018-14634](https://bugzilla.redhat.com/show%5Fbug.cgi?id=CVE-2018-14634) - [support.f5.com/csp/article/K20934447?utm\_source=f5support&a…](https://support.f5.com/csp/article/K20934447?utm%5Fsource=f5support&%3Butm%5Fmedium=RSS) - [security.paloaltonetworks.com/CVE-2018-14634](https://security.paloaltonetworks.com/CVE-2018-14634) - [\[oss-security\] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)](http://www.openwall.com/lists/oss-security/2021/07/20/2) (openwall.com) mailing-list ## Timeline 1. ID reserved Jul 27, 2018 2. Record published Sep 25, 2018 3. Added to CISA KEV Jan 26, 2026 4. Record last updated Jan 27, 2026 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:00 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)