CVE-2009-3939

7.1
HIGHCVSS v3.1 Base Score
0.44%
LOW RiskEPSS (36th percentile)

The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.

Published: 11/16/2009
Modified: 6/16/2026
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Vulnerability Summary

CVSS v3 Score

7.1HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v2 Score

6.6

AV:L/AC:L/Au:N/C:N/I:C/A:C

EPSS Score (Exploitation Probability)

0.44%LOW Exploitation Risk
36th percentile

This vulnerability has a 0.44% probability of being exploited in the next 30 days, ranking higher than 36% of all scored CVEs.

CWE Classification

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