01 Record
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 driver by modifying
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 38.3% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-11-16 19:00Z16 YR AGO
- Last updated
- 2024-08-07 06:45Z2 YR AGO
- Reserved
- 2009-11-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-732Incorrect Permission Assignment for Critical ResourceClass
- Data version
- 5.1
- Document digest
- d9ba4205cc3bce1d7804e74f2eb4f5d072be23324ee8e6a8f8609d906bd263b7
05 Affected products
VendorProductVersionsPlatforms
06 References
- secunia.com38276http://secunia.com/advisories/38276
- lists.opensuse.orgSUSE-SA:2009:061http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
- www.ubuntu.comUSN-864-1http://www.ubuntu.com/usn/usn-864-1
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=526068
- lists.opensuse.orgSUSE-SA:2010:001http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
- secunia.com38779http://secunia.com/advisories/38779
- www.securityfocus.com37019http://www.securityfocus.com/bid/37019
- support.avaya.comhttp://support.avaya.com/css/P8/documents/100073666
- lists.opensuse.orgSUSE-SA:2010:012http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
- secunia.com37909http://secunia.com/advisories/37909
- lists.opensuse.orgSUSE-SA:2010:014http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.html
- lists.opensuse.orgSUSE-SA:2009:064http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
- www.debian.orgDSA-1996http://www.debian.org/security/2010/dsa-1996
- www.openwall.com[oss-security] 20091113 CVE request: kernel: bad permissions on megaraid_sas sysfs fileshttp://www.openwall.com/lists/oss-security/2009/11/13/1
- oval.cisecurity.orgoval:org.mitre.oval:def:10310https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10310
- rhn.redhat.comRHSA-2010:0095https://rhn.redhat.com/errata/RHSA-2010-0095.html
- lists.opensuse.orgSUSE-SA:2010:005http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
- osvdb.org60201http://osvdb.org/60201
- rhn.redhat.comRHSA-2010:0046https://rhn.redhat.com/errata/RHSA-2010-0046.html
- oval.cisecurity.orgoval:org.mitre.oval:def:7540https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7540
- lists.opensuse.orgSUSE-SA:2010:010http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
- secunia.com38017http://secunia.com/advisories/38017
- secunia.com38492http://secunia.com/advisories/38492