CVE-2008-3431

HighCVSS 8.8/10Known exploited (CISA KEV)Last modified Jun 16, 2026

Description

The VBoxDrvNtDeviceControl function in VBoxDrv.sys in Sun xVM VirtualBox before 1.6.4 uses the METHOD_NEITHER communication method for IOCTLs and does not properly validate a buffer associated with the Irp object, which allows local users to gain privileges by opening the \\.\VBoxDrv device and calling DeviceIoControl to send a crafted kernel address.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Aug 5, 2008
Last modified
Jun 16, 2026
Added to CISA KEV
Mar 3, 2022
NVD status
Analyzed

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CVE-2008-3431: High severity, CVSS 8.8 | Vulnix