CVE-2009-3939

HIGH

Linux kernel <2.6.31.6 - Local Privilege Escalation

Title source: llm

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.

References (23)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.html

[Broken Link] http://osvdb.org/60201

[Broken Link] http://secunia.com/advisories/37909

[Broken Link] http://secunia.com/advisories/38017

[Broken Link] http://secunia.com/advisories/38276

[Broken Link] http://secunia.com/advisories/38492

[Broken Link] http://secunia.com/advisories/38779

[Third Party Advisory] http://support.avaya.com/css/P8/documents/100073666

[Third Party Advisory] http://www.debian.org/security/2010/dsa-1996

[Mailing List] http://www.openwall.com/lists/oss-security/2009/11/13/1

[Broken Link, Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/37019

[Third Party Advisory] http://www.ubuntu.com/usn/usn-864-1

[Exploit, Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=526068

[Broken Link] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10310

... and 3 more

Scores

CVSS v3 7.1

EPSS 0.0004

EPSS Percentile 13.2%

Attack Vector LOCAL

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

Classification

CWE

CWE-732

Status draft

Affected Products (29)

linux/linux_kernel < 2.6.31.6

redhat/virtualization

redhat/enterprise_linux_desktop

redhat/enterprise_linux_eus

redhat/enterprise_linux_server

redhat/enterprise_linux_workstation

canonical/ubuntu_linux

debian/debian_linux

avaya/aura_application_enablement_services

avaya/aura_communication_manager

... and 14 more

Timeline

Published Nov 16, 2009

Tracked Since Feb 18, 2026