National Vulnerability Database (NVD) National Vulnerability Database (CVE-2009-3572)

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Vulnerability Summary for CVE-2009-3572

Original release date:10/06/2009

Last revised:10/08/2009

Source: US-CERT/NIST

Overview

OpenBSD 4.4, 4.5, and 4.6, when running on an i386 kernel, does not properly handle XMM exceptions, which allows local users to cause a denial of service (kernel panic) via unspecified vectors.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

Per: http://marc.info/?l=openbsd-security-announce&m=125474331811594 XMM exceptions are incorrectly handled in the OpenBSD/i386 kernel, resulting in a kernel panic that can be triggered by a local user. This issue has been fixed in -current. Source code patches are available for OpenBSD 4.4, 4.5 and 4.6.

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External Source: BID

Name: 36589

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/36589

External Source: OPENBSD

Name: [4.6] 002: RELIABILITY FIX: October 05, 2009

Type: Advisory; Patch Information

Hyperlink:http://www.openbsd.org/errata46.html

External Source: OPENBSD

Name: [4.5] 008: RELIABILITY FIX: October 05, 2009

Type: Advisory; Patch Information

Hyperlink:http://www.openbsd.org/errata45.html