CVE-2018-14634

Vulnerability overview

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.

Severity and scoring

CVSS score

7.8 · HIGH

CVSS version

3.0

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-190

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product

Linux · Kernel

Added to catalog

2026-01-26

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA remediation due date

2026-02-16

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

• cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

  From (inclusive): 7.1.0

  Before (exclusive): 7.1.23

• cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

  From (inclusive): 8.0.0

  Before (exclusive): 8.0.16

• cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

  From (inclusive): 8.1.0

  Before (exclusive): 8.1.7

• cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*

  From (inclusive): 11.2.1

  Before (exclusive): 11.6.4

• cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*

  From (inclusive): 12.1.0

  Before (exclusive): 12.1.5

• cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*

  From (inclusive): 13.0.0

  Before (exclusive): 13.1.1.5

• cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*

  From (inclusive): 14.0.0

  Before (exclusive): 14.0.1.1

• cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*

  From (inclusive): 14.1.0

  Before (exclusive): 14.1.0.6

• cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*

  From (inclusive): 5.0.0

  Through (inclusive): 5.4.0

• cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*

  From (inclusive): 6.0.0

  Through (inclusive): 6.0.1

• cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*

  From (inclusive): 7.0.0

  Through (inclusive): 7.1.0

• 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:*:*:*:*:*:*:*:*

  From (inclusive): 2.2.0

  Through (inclusive): 2.3.0

• cpe:2.3:a:f5:traffix_signaling_delivery_controller:*:*:*:*:*:*:*:*

  From (inclusive): 5.0.0

  Through (inclusive): 5.1.0

• cpe:2.3:a:f5:traffix_signaling_delivery_controller:4.4.0:*:*:*:*:*:*:*

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 2.6.0

  Through (inclusive): 2.6.39.4

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 3.10

  Through (inclusive): 3.10.102

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 4.14

  Through (inclusive): 4.14.54

• 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:-:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

• http://www.openwall.com/lists/oss-security/2021/07/20/2

  Mailing List · Third Party Advisory

• http://www.securityfocus.com/bid/105407

  Broken Link · Third Party Advisory · VDB Entry

• https://access.redhat.com/errata/RHSA-2018:2748

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2763

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2846

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2924

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2925

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2933

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3540

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3586

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3590

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3591

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3643

  Third Party Advisory

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634

  Issue Tracking · Third Party Advisory

• https://security.netapp.com/advisory/ntap-20190204-0002/

  Patch · Third Party Advisory

• https://security.paloaltonetworks.com/CVE-2018-14634

  Third Party Advisory

• https://support.f5.com/csp/article/K20934447?utm_source=f5support&amp%3Butm_medium=RSS

  Third 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/2018/09/25/4

  Exploit · Mailing List · Third Party Advisory

• http://www.openwall.com/lists/oss-security/2021/07/20/2

  Mailing List · Third Party Advisory

• http://www.securityfocus.com/bid/105407

  Broken Link · Third Party Advisory · VDB Entry

• https://access.redhat.com/errata/RHSA-2018:2748

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2763

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2846

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2924

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2925

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:2933

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3540

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3586

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3590

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3591

  Third Party Advisory

• https://access.redhat.com/errata/RHSA-2018:3643

  Third Party Advisory

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634

  Issue Tracking · Third Party Advisory

• https://security.netapp.com/advisory/ntap-20190204-0002/

  Patch · Third Party Advisory

• https://security.paloaltonetworks.com/CVE-2018-14634

  Third Party Advisory

• https://support.f5.com/csp/article/K20934447?utm_source=f5support&amp%3Butm_medium=RSS

  Third 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/2018/09/25/4

  Exploit · Mailing List · Third Party Advisory

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14634

  US Government Resource

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