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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…
- 7.1HighCVSS base score
- 0.44%Exploitation in 30 daysEPSS · top 61% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.44% · top 61% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
n/a
- affected n/a
References
References23
- 38276 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2009:061 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-864-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=526068 (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SA:2010:001 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 38779 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37019 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://support.avaya.com/css/P8/documents/100073666 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SA:2010:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 37909 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2010:014 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SA:2009:064 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-1996 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [oss-security] 20091113 CVE request: kernel: bad permissions on megaraid_sas sysfs files (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- oval:org.mitre.oval:def:10310 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- RHSA-2010:0095 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SA:2010:005 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 60201 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- RHSA-2010:0046 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- oval:org.mitre.oval:def:7540 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- SUSE-SA:2010:010 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 38017 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 38492 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-3910 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-3939)Record last updated .