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CVE-2009-3939

Published: Nov 16, 2009Updated: Apr 23, 2026 Sources: CVE List NVD BDUCWE-732
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.4%
Top 64.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-732

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
virtualizationredhatOperating Systems
enterprise linux desktopredhat
On-premOS
Operating Systems / linux-distro
enterprise linux eusredhat
OS
Operating Systems / linux-distro
linuxoss-projectOperating Systemsaka the linux kernel
redhatcommercialUSOperating Systemsaka red hat
and 15 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

http://secunia.com/advisories/38276
secunia.com
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
lists.opensuse.org
http://www.ubuntu.com/usn/usn-864-1
ubuntu.com
and 21 more references View all →

Timeline

Published
Nov 16, 2009
Last Updated
Apr 23, 2026

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