CVE-2009-3556: n/a vulnerability

CVE-2009-3556: A certain Red Hat configuration step for the qla2xxx driver in the Linux kernel 2.6.18 on Red Hat Enterpris...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:31 UTC (UTC+00:00)

Security readout for executives and security teams

This is a local access weakness in some legacy Linux storage configurations. A Red Hat setup step could leave qla2xxx NPIV management files writable by any local user, allowing changes to SCSI host settings. The practical concern is storage disruption or unauthorized configuration changes on affected legacy hosts. Exposure appears limited to legacy systems with the qla2xxx Fibre Channel driver and NPIV hardware, especially RHEL 5 as named in the CVE description. The bundle also cites Red Hat and SUSE advisories, but does not provide a complete affected-version matrix. Treat this as targeted legacy infrastructure risk, not an internet-wide emergency. Prioritize systems connected to shared or critical storage, especially where many users can log in locally or where RHEL 5-era platforms remain operational. Mitigation focus: Apply relevant vendor kernel updates from Red Hat or SUSE advisories.; Check vendor guidance for affected qla2xxx and NPIV configurations.; Restrict local shell access on storage-connected legacy hosts..

Prepared: Jun 28, 2026, 03:36 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 27, 2010, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.redhat.com/show_bug.cgi?id=537177CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:9738CVE reference · vdb-entry, signature
kernel-qla2xxx-security-bypass(55809)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:6744CVE reference · vdb-entry, signature
RHSA-2010:0095CVE reference · vendor-advisory, x_refsource_REDHAT
RHSA-2010:0046CVE reference · vendor-advisory, x_refsource_REDHAT

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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