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CVE-2009-3939

Published: 16 November 2009

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.

Notes

AuthorNote
ogasawara
patch is not yet upstream

Priority

Low

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Not vulnerable

intrepid
Released (2.6.27-16.44)
jaunty
Released (2.6.28-17.58)
karmic
Released (2.6.31-16.52)
upstream Needs triage

linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Not vulnerable

hardy Does not exist

intrepid Does not exist

jaunty Does not exist

karmic Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 7.1
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H