Is CVE-2016-6240 actively exploited?

CVE-2016-6240 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2016-6240?

CVE-2016-6240 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-6240?

Patch guidance is available from openbsd security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-6240.

Which products are affected by CVE-2016-6240?

2 products: openbsd openbsd, openbsd openbsd.

Fix CVE-2016-6240 - HIGH openbsd openbsd

Description

Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-189

Metadata

Primary Vendor: OPENBSD
Published: 3/7/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2016-6240

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary