CVE Database

CVE-2009-3556

Impact: Moderate
Public: 2010-01-19
Bugzilla: 537177: CVE-2009-3556 kernel: qla2xxx NPIV vport management pseudofiles are world writable
IAVA: 2010-A-0015

Details

The MITRE CVE dictionary describes this issue as:

A certain Red Hat configuration step for the qla2xxx driver in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5, when N_Port ID Virtualization (NPIV) hardware is used, sets world-writable permissions for the (1) vport_create and (2) vport_delete files under /sys/class/scsi_host/, which allows local users to make arbitrary changes to SCSI host attributes by modifying these files.

Find out more about CVE-2009-3556 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commit d025c9db that introduced the problem.
This upstream commit was backported in Red Hat Enterprise Linux 5 via RHBA-2008:0314 update. Issue was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html

CVSS v2 metrics

Base Score: 3.6
Base Metrics: AV:L/AC:L/Au:N/C:N/I:P/A:P
Access Vector: Local
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (kernel) RHSA-2010:0046 January 19, 2010

External References

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For clarification or corrections please contact the Red Hat Security Response Team.