High severity · published Nov 16, 2009
CVE-2009-3939
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…
7.1
CVSS
0.4%
EPSS
No
On KEV
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
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 2.6.31.6 · source: NVD
AS
Aura Session Manager · Avaya
1.1; 5.2 · source: NVD
AS
Aura System Manager · Avaya
5.2; 6.0 · source: NVD
AS
DL
Debian Linux · Debian
5.0 · source: NVD
EL