CVE-2018-14634
Confirmed PUBLISHEDAn integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise...
1 day faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Sep 25, 2018
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 7.8 High
- EPSS
- 14.8%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| The Linux Foundation |
kernel
|
2.6.x, 3.10.x, 4.14.x |
Affected |
CVE References
- RHSA-2018:3540 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:3540
- RHSA-2018:2925 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2925
- RHSA-2018:3591 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:3591
- USN-3775-1 usn.ubuntu.com · Vendor Advisory https://usn.ubuntu.com/3775-1/
- RHSA-2018:2933 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2933
Show 17 more references
- USN-3779-1 usn.ubuntu.com · Vendor Advisory https://usn.ubuntu.com/3779-1/
- RHSA-2018:2748 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2748
- RHSA-2018:3590 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:3590
- USN-3775-2 usn.ubuntu.com · Vendor Advisory https://usn.ubuntu.com/3775-2/
- RHSA-2018:2763 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2763
- RHSA-2018:2924 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2924
- RHSA-2018:3586 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:3586
- RHSA-2018:3643 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:3643
- RHSA-2018:2846 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2018:2846
- 45516 exploit-db.com · Exploit https://www.exploit-db.com/exploits/45516/
- 105407 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/105407
- [oss-security] 20180925 Integer overflow in Linux's create_elf_tables() (CVE-2018-14634) openwall.com · Mailing List https://www.openwall.com/lists/oss-security/2018/09/25/4
- [oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1) openwall.com · Mailing List http://www.openwall.com/lists/oss-security/2021/07/20/2
- security.netapp.com/advisory/ntap-20190204-0002 security.netapp.com · CVE Record https://security.netapp.com/advisory/ntap-20190204-0002/
- bugzilla.redhat.com/show_bug.cgi bugzilla.redhat.com · CVE Record https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634
- support.f5.com/csp/article/K20934447 support.f5.com · CVE Record https://support.f5.com/csp/article/K20934447?utm_source=f5support&...
- security.paloaltonetworks.com/CVE-2018-14634 security.paloaltonetworks.com · CVE Record https://security.paloaltonetworks.com/CVE-2018-14634
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 10:49 UTC |
| CISA | 2026-06-02 14:03 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 10:49:47 UTC · CVE
Weaknesses (CWE)
-
Integer Overflow or Wraparound
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:03 UTC about 2 months ago14:03 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
10:49 UTC about 2 months ago10:49 UTC · about 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
21:00 UTC almost 8 years ago21:00 UTC · almost 8 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 8 years ago00:00 UTC · almost 8 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2018-14634
{
"cve_id": "CVE-2018-14634",
"title": "An integer overflow flaw was found in the Linux kernel\'s create_elf_tables() ...",
"affected_vendor": "The Linux Foundation",
"affected_product": "kernel",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.8,
"epss_score": 0.14806,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}