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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…
High7.8Known exploitedEPSS 14.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Linux Kernel Integer Overflow Vulnerability.
- Added
- 26 Jan 2026
- Fix due (US federal)
- 16 Feb 2026
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 14.7% · top 3.3% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 2.6.x, 3.10.x, 4.14.x
References (23)
- RHSA-2018:3540 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20190204-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:2925 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3591 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 45516 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- USN-3775-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:2933 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3779-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:2748 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3590 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3775-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:2763 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 105407 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2018:2924 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3586 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3643 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:2846 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20180925 Integer overflow in Linux's create_elf_tables() (CVE-2018-14634) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.f5.com/csp/article/K20934447?utm_source=f5support&%3Butm_medium=RSS (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.paloaltonetworks.com/CVE-2018-14634 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14634 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-14634)Record last updated .