CVE-2009-3556
First published: Thu Nov 12 2009(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =2.6.18 | |
| Red Hat Enterprise Linux | =5 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=537177
- https://rhn.redhat.com/errata/RHSA-2010-0046.html
- http://www.openwall.com/lists/oss-security/2010/01/20/2
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://support.avaya.com/css/P8/documents/100073666
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55809
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9738
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6744
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=369281&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=369281&action=edit
Frequently Asked Questions
What is the severity of CVE-2009-3556?
CVE-2009-3556 has a moderate severity level due to the potential for unauthorized access to sensitive files.
How do I fix CVE-2009-3556?
To fix CVE-2009-3556, you should restrict the permissions of the vport_create and vport_delete files under /sys/class/scsi_host/.
Which systems are affected by CVE-2009-3556?
CVE-2009-3556 affects Linux Kernel 2.6.18 and Red Hat Enterprise Linux version 5.
What kind of vulnerability is CVE-2009-3556?
CVE-2009-3556 is a permission vulnerability that allows world-writable access to certain driver files.
Is CVE-2009-3556 a local or remote vulnerability?
CVE-2009-3556 is considered a local vulnerability as it requires local access to exploit the permissions issue.
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