CVE-2009-3889

Public Exploit

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.

Category

6.6
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html vendor advisory
http://www.ubuntu.com/usn/usn-864-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=526068 exploit
http://www.openwall.com/lists/oss-security/2009/11/13/4 mailing list
http://www.securityfocus.com/bid/37019 vdb entry
http://support.avaya.com/css/P8/documents/100073666
http://secunia.com/advisories/37909 third party advisory
http://osvdb.org/60202 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11018 vdb entry signature
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66dca9b8c50b5e59d3bea8b21cee5c6dae6c9c46
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html vendor advisory
http://www.openwall.com/lists/oss-security/2009/11/13/1 mailing list
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html vendor advisory
https://rhn.redhat.com/errata/RHSA-2010-0095.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7163 vdb entry signature
https://rhn.redhat.com/errata/RHSA-2010-0046.html vendor advisory
http://www.debian.org/security/2010/dsa-2005 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-3889?
CVE-2009-3889 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3889?
To fix CVE-2009-3889, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3889 being actively exploited in the wild?
It is possible that CVE-2009-3889 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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