Note: This vulnerability (CVE-2018-14634) was originally published in 2018, however CISA added it to the Known Exploited Vulnerabilities (KEV) catalog on 2026-01-26 due to detected active exploitation. This means attackers are currently exploiting this vulnerability in real-world attacks.
Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2018-14634 |
| CVE Publication Year | 2018 |
| Date Added to CISA KEV | 2026-01-26 |
| Vendor | Linux |
| Product | Kernal |
| CVSS Score | 7.8 (high) |
| CISA KEV Status | Yes - confirmed active exploitation |
| Ransomware | Not confirmed |
| Remediation Deadline | 2026-02-16 |
Vulnerability Description
Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their privileges on the system.
Required Actions
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Who Is Affected?
This vulnerability affects Kernal by Linux. Check if your organization uses this software and requires updates.
Sources
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