CVE-2009-3889

CVE-2009-3889 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.

Frequently asked questions

What is CVE-2009-3889?
The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.
How severe is CVE-2009-3889?
CVE-2009-3889 has a CVSS 2.0 base score of 6.6, rated medium severity.
Is CVE-2009-3889 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3889?
CVE-2009-3889 primarily affects Linux Linux Kernel. In total, 222 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3889?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3889 published?
CVE-2009-3889 was published on 2009-11-16 and last updated on 2026-06-16.

References

Affected products (222)

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