Vulnerability Description
The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.26 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
- http://osvdb.org/60202
- http://secunia.com/advisories/37909
- http://support.avaya.com/css/P8/documents/100073666
- http://www.debian.org/security/2010/dsa-2005
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27Vendor Advisory
- http://www.openwall.com/lists/oss-security/2009/11/13/1
- http://www.openwall.com/lists/oss-security/2009/11/13/4
- http://www.securityfocus.com/bid/37019
- http://www.ubuntu.com/usn/usn-864-1
- https://bugzilla.redhat.com/show_bug.cgi?id=526068Exploit
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-3889?
CVE-2009-3889 is a vulnerability with a CVSS score of 6.6 (MEDIUM). The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver b...
How severe is CVE-2009-3889?
CVE-2009-3889 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-3889?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.