Skip to main content
ExploitedIn CISA KEVFix available

CVE-2018-14634

Exploitation confirmed. First attested on 2026-01-26 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2018-09-25
  • Fixed in14.1.0.6 · 14.0.1.1 · 13.1.1.5 · 12.1.5 · 11.6.4
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-09-2521:29CVE publishedNVD
  2. 2018-09-26Exploit-DB entryExploit-DB
  3. 2026-01-26Added to the CISA KEV catalogCISA KEV
  4. 2026-01-26Listed as exploited by GCVEGCVE
  5. 2026-01-26Exploitation first reportedCISA KEV
  6. 2026-01-2704:55SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-14634?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-14634?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
F5 big-ip access policy manager
BranchAffectedFixed in
14.1≥ 14.1.0, < 14.1.0.614.1.0.6
14.0≥ 14.0.0, < 14.0.1.114.0.1.1
13.x≥ 13.0.0, < 13.1.1.513.1.1.5
12.1≥ 12.1.0, < 12.1.512.1.5
11.x≥ 11.2.1, < 11.6.411.6.4
F5 big-ip advanced firewall manager
BranchAffectedFixed in
14.1≥ 14.1.0, < 14.1.0.614.1.0.6
14.0≥ 14.0.0, < 14.0.1.114.0.1.1
13.x≥ 13.0.0, < 13.1.1.513.1.1.5
12.1≥ 12.1.0, < 12.1.512.1.5
11.x≥ 11.2.1, < 11.6.411.6.4
F5 big-ip analytics
BranchAffectedFixed in
14.1≥ 14.1.0, < 14.1.0.614.1.0.6
14.0≥ 14.0.0, < 14.0.1.114.0.1.1
13.x≥ 13.0.0, < 13.1.1.513.1.1.5
12.1≥ 12.1.0, < 12.1.512.1.5
11.x≥ 11.2.1, < 11.6.411.6.4

25 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As redhat, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • The Linux Foundation kernel
    Affected
    • = 2.6.x, 3.10.x, 4.14.xno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-07-20

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • kernelRed Hat:rhel_tus:7.2::serverall versions · fixed in 0:3.10.0-327.76.1.el7and 17 other packages
  • kernelRed Hat:rhel_tus:6.6::serverall versions · fixed in 0:2.6.32-504.76.2.el6and 14 other packages
  • kernelRed Hat:rhel_eus:7.4::serverall versions · fixed in 0:3.10.0-693.43.1.el7and 24 other packages
  • kernelRed Hat:rhel_eus:7.4::computenodeall versions · fixed in 0:3.10.0-693.43.1.el7and 17 other packages
  • kernelRed Hat:rhel_eus:7.3::serverall versions · fixed in 0:3.10.0-514.61.1.el7and 24 other packages
  • kernelRed Hat:rhel_eus:7.3::computenodeall versions · fixed in 0:3.10.0-514.61.1.el7and 17 other packages
  • kernelRed Hat:rhel_eus:6.7::serverall versions · fixed in 0:2.6.32-573.65.2.el6and 21 other packages
  • kernelRed Hat:rhel_eus:6.7::computenodeall versions · fixed in 0:2.6.32-573.65.2.el6and 15 other packages

56 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-14634 Red Hat Product Security910 products fixed

    kernel: Integer overflow in Linux's create_elf_tables function

  • RHSA-2018:3643 Red Hat Product Security21 products fixed

    Red Hat Security Advisory: kernel security update

  • RHSA-2018:3591 Red Hat Product Security111 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

  • RHSA-2018:3590 Red Hat Product Security75 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

  • RHSA-2018:3540 Red Hat Product Security111 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2018:3586 Red Hat Product Security16 products fixed

    Red Hat Security Advisory: kernel-rt security and bug fix update

6 more advisories

Full record on NVD

Fix

  1. Update F5 big-ip access policy manager to 14.1.0.6 · 14.0.1.1 · 13.1.1.5 · 12.1.5 · 11.6.4
  2. CISA’s 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.due 2026-02-16
  3. Vendor fix Red Hat Product Security RHSA-2018:3643 · 21 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
  4. Workaround from the vendor Red Hat Product Security RHSA-2018:3643 · 21 productsTo mitigate the issue: Enable and install kernel-debuginfo packages as per https://access.redhat.com/solutions/666123 1) On the host, save the following in a file with the ".stp" extension: // CVE-2018-14634 // // Theory of operations: adjust the thread's # rlimit-in-effect around // calls to th…

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-45516
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedluan0ap/cve-2018-14634
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-01-26
Patch Due Date
2026-02-16
Ransomware Use
Unknown
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.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-09-25
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-4994-8w6g-9jvw

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.

Is CVE-2018-14634 actively exploited?

Yes. CVE-2018-14634 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-02-16.

What is the CVSS score for CVE-2018-14634?

CVE-2018-14634 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Running Linux kernel? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, January 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record