How severe is CVE-2018-14634?

CVE-2018-14634 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14634 being actively exploited?

Yes. CVE-2018-14634 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-01-26, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-14634?

CVE-2018-14634 primarily affects Redhat Enterprise Linux Desktop. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-14634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-14634 have an EU (EUVD) identifier?

Yes. CVE-2018-14634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-6537. It is also flagged as exploited in the EUVD (since 2026-01-26).

When was CVE-2018-14634 published?

CVE-2018-14634 was published on 2018-09-25 and last updated on 2026-06-17.

CVE-2018-14634

CVE-2018-14634 is a high-severity vulnerability in Redhat Enterprise Linux Desktop with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-01-26). The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-01-26)
EU (EUVD) id: EUVD-2018-6537
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-01-26)
Weakness: CWE-190
Affected product: Redhat Enterprise Linux Desktop
Published: 2018-09-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-14634?: 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.
How severe is CVE-2018-14634?: CVE-2018-14634 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14634 being actively exploited?: Yes. CVE-2018-14634 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-01-26, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-14634?: CVE-2018-14634 primarily affects Redhat Enterprise Linux Desktop. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-14634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-14634 have an EU (EUVD) identifier?: Yes. CVE-2018-14634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-6537. It is also flagged as exploited in the EUVD (since 2026-01-26).
When was CVE-2018-14634 published?: CVE-2018-14634 was published on 2018-09-25 and last updated on 2026-06-17.

References

Affected products (39)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-iq_centralized_management:4.6.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-iq_cloud_and_orchestration:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:enterprise_manager:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:iworkflow:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:traffix_signaling_delivery_controller:4.4.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*

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