CVE-2016-6239

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Published Mar 7, 2017 CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed

Description

The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:openbsd:openbsd:5.8:::::::*
	cpe:2.3:o:openbsd:openbsd:5.9:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2016-7169	The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.485% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openbsd.org/errata58.html
http://www.openbsd.org/errata59.html
http://www.openwall.com/lists/oss-security/2016/07/14/5
http://www.openwall.com/lists/oss-security/2016/07/17/7
http://www.securityfocus.com/bid/91805
http://www.securitytracker.com/id/1036318

History

No history.

Subscriptions

Openbsd Openbsd

Weaknesses

CWE-20

Sources

CVE record Updated: Aug 6, 2024, 1:22 AM

Status: PUBLISHED
Assigner: mitre
Published: Mar 7, 2017, 4:00 PM
Updated: Aug 6, 2024, 1:22 AM
Reserved: Jul 17, 2016, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:50 AM

Status: Modified
Published: Mar 7, 2017, 4:59 PM
Modified: Jun 17, 2026, 12:50 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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