CVE-2009-3556 Misconfiguration in n/a

What is CVE-2009-3556?

CVE-2009-3556 is a low-severity vulnerability in Linux kernel, published on 27 Jan 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-264

Which versions are affected by CVE-2009-3556?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2009-3556?

Apply the vendor's patch.

Is CVE-2009-3556 being exploited?

There is no known exploitation of CVE-2009-3556 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3g2r-q9r9-rjh5.