CVE-2018-14634 (GCVE-0-2018-14634)
Vulnerability from cvelistv5 – Published: 2018-09-25 21:00 – Updated: 2026-01-27 13:34Summary
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
7.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 04:55 UTC
CWE
Assigner
References
23 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| The Linux Foundation | kernel |
Affected:
2.6.x, 3.10.x, 4.14.x
|
guessed |
Date Public
2018-09-25 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 52c8dde3-45b0-49f7-83db-af0b2a78a2e5
Exploited: Yes
Timestamps
First Seen: 2026-01-26
Asserted: 2026-01-26
Scope
Notes: KEV entry: Linux Kernel Integer Overflow Vulnerability | Affected: Linux / Kernal | Description: Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their privileges on the system. | 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 date: 2026-02-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://www.kernel.org/ ; https://www.cve.org/CVERecord?id=CVE-2018-14634; https://access.redhat.com/errata/RHSA-2018:3540 ; https://nvd.nist.gov/vuln/detail/CVE-2018-14634
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-190 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Kernal |
| Due Date | 2026-02-16 |
| Date Added | 2026-01-26 |
| Vendorproject | Linux |
| Vulnerabilityname | Linux Kernel Integer Overflow Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:25 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5024fdd1-c69a-4e43-b5ad-dc07bc4bb49b
Exploited: Yes
Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: 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... | Affected: The Linux Foundation / kernel | CVSS: 7.8 (HIGH) | EPSS: 0.14806 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | 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... |
| Vendor | The Linux Foundation |
| Product | kernel |
| Added Date | 2026-06-01T10:49:47.154Z |
| Cvss Score | 7.8 |
| Epss Score | 0.14806 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.96255 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev |
|
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:03 UTC
| Updated: 2026-07-10 06:14 UTC
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"name": "105407",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/105407"
},
{
"name": "RHSA-2018:2924",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:2924"
},
{
"name": "RHSA-2018:3586",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3586"
},
{
"name": "RHSA-2018:3643",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3643"
},
{
"name": "RHSA-2018:2846",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:2846"
},
{
"name": "[oss-security] 20180925 Integer overflow in Linux\u0027s create_elf_tables() (CVE-2018-14634)",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://www.openwall.com/lists/oss-security/2018/09/25/4"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.f5.com/csp/article/K20934447?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.paloaltonetworks.com/CVE-2018-14634"
},
{
"name": "[oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/07/20/2"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2018-14634",
"datePublished": "2018-09-25T21:00:00.000Z",
"dateReserved": "2018-07-27T00:00:00.000Z",
"dateUpdated": "2026-01-27T13:34:52.261Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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