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VULNERABILITIES

CVE-2006-6730 Details

Description

OpenBSD and NetBSD permit usermode code to kill the display server and write to the X.Org /dev/xf86 device, which allows local users with root privileges to reduce securelevel by replacing the System Management Mode (SMM) handler via a write to an SMRAM address within /dev/xf86 (aka the video card memory-mapped I/O range), and then launching the new handler via a System Management Interrupt (SMI), as demonstrated by a write to Programmed I/O port 0xB2.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.freedesktop.org/archives/xorg/2004-June/000927.html CVE
http://www.cansecwest.com/slides06/csw06-duflot.ppt CVE
http://www.securityfocus.com/archive/1/454379/100/0/threaded CVE
http://www.securityfocus.com/archive/1/454510/100/0/threaded CVE
http://www.securityfocus.com/archive/1/454706/100/0/threaded CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
netbsd netbsd
2.0.4

CPE

  • cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
openbsd openbsd
All versions

CPE

  • cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2006-6730
NVD Published Date:
Dec 26, 2006
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2006-6730 Details - Not Deferred