CVE-2009-3939

Publication date 16 November 2009

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.1 · High

Score breakdown

Description

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 9.10 karmic
Fixed 2.6.31-16.52
9.04 jaunty
Fixed 2.6.28-17.58
8.10 intrepid
Fixed 2.6.27-16.44
8.04 LTS hardy
Not affected
6.06 LTS dapper Not in release
linux-source-2.6.15 9.10 karmic Not in release
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Not affected

Notes

ogasawara

patch is not yet upstream

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.1 · High

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

References

Related Ubuntu Security Notices (USN)

    • USN-864-1
    • Linux kernel vulnerabilities
    • 5 December 2009

Other references

Access our resources on patching vulnerabilities