CVE-2018-14634
Exploited in the wild. In CISA KEV since 2026‑01‑26. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2026-01-26.
US federal agencies must remediate by 2026-02-16.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Public exploits
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
15% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
The patch came 38 days before any public exploit.
- OpenVAS check added
- Public exploit / PoCsource: exploit-db
- Patch availablerecord updated
- Added to CISA KEV
- Publishedweakness classified, att&ck mapped
Affected products
- big-ip access policy managerNetworking Infrastructure / firewall
- big-ip advanced firewall managerNetworking Infrastructure / firewall
- big-ip analyticsNetworking Infrastructure / network-management
- big-ip application acceleration managerNetworking Infrastructure / load-balancer-proxy
- big-ip application security managerNetworking Infrastructure / firewall
- big-ip domain name systemNetworking Infrastructure / dns-dhcp-ntp
- big-ip edge gatewayNetworking Infrastructure / vpn-gateway
- big-ip fraud protection serviceNetworking Infrastructure
And 16 more affected products. See all after sign-in
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 7.8 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationmedium confidence
Sources
References in the record
- openwall.com/lists/oss-security/2021/07/20/2
- securityfocus.com/bid/105407
- access.redhat.com/errata/RHSA-2018:2748
And 20 more references. See all after sign-in
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