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CVE-2009-3889

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Date: November 16, 2009

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.

Language: C

Severity Score

Related Resources (22)

https://bugzilla.redhat.com/show_bug.cgi?id=526068
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
http://support.avaya.com/css/P8/documents/100073666
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
https://nvd.nist.gov/vuln/detail/CVE-2009-3889
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7163
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
http://www.securityfocus.com/bid/37019
http://osvdb.org/60202
https://access.redhat.com/security/cve/CVE-2009-3889
https://rhn.redhat.com/errata/RHSA-2010-0095.html
https://rhn.redhat.com/errata/RHSA-2010-0046.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-3889
http://www.ubuntu.com/usn/usn-864-1
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27
http://www.openwall.com/lists/oss-security/2009/11/13/4
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11018
http://secunia.com/advisories/37909
http://www.openwall.com/lists/oss-security/2009/11/13/1
http://www.debian.org/security/2010/dsa-2005
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66dca9b8c50b5e59d3bea8b21cee5c6dae6c9c46
https://www.mend.io/vulnerability-database/CVE-2009-3889

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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