CVE-2016-6239

MEDIUM

OpenBSD <5.10 - DoS

Title source: llm

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.

References (6)

[Release Notes] http://www.openbsd.org/errata58.html

[Release Notes] http://www.openbsd.org/errata59.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/07/14/5

[Exploit, Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/07/17/7

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1036318

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/91805

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 33.5%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-20

Status published

Affected Products (3)

openbsd/openbsd

n/a/n/a

Timeline

Published Mar 07, 2017

Tracked Since Feb 18, 2026