CVE-2018-14634
Linux Kernel Integer Overflow Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 February 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 14.69% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 26 September 2018
- CISA KEV
- Listed 26 January 2026 · due 16 February 2026
- Weakness
- CWE-190
- Affected
- 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 · f5/big-ip policy enforcement manager · f5/big-ip webaccelerator · f5/big-iq centralized management · f5/big-iq cloud and orchestration · f5/enterprise manager · f5/iworkflow · f5/traffix signaling delivery controller · linux/linux kernel · +8 more
- Source
- secalert@redhat.com
EPSS 14.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://www.kernel.org/ ; https://www.cve.org/CVERecord?id=CVE-2018-14634 ; https://access.redhat.com/errata/RHSA-2018:3540 ; https://nvd.nist.gov/vuln/detail/CVE-2018-14634
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.openwall.com/lists/oss-security/2021/07/20/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105407Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2748Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2763Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2846Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2924Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2925Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2933Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3540Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3586Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3590Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3591Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3643Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190204-0002/Patch, Third Party Advisory
- https://security.paloaltonetworks.com/CVE-2018-14634Third Party Advisory
- https://support.f5.com/csp/article/K20934447?utm_source=f5support&%3Butm_medium=RSSThird Party Advisory
- https://usn.ubuntu.com/3775-1/Third Party Advisory
- https://usn.ubuntu.com/3775-2/Third Party Advisory
- https://usn.ubuntu.com/3779-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45516/Exploit, Third Party Advisory, VDB Entry
- https://www.openwall.com/lists/oss-security/2018/09/25/4Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/07/20/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105407Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2748Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2763Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2846Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2924Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2925Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2933Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.