CVE-2009-3889

Linux Kernel <2.6.27 - Info Disclosure

Title source: llm

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.

References (18)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66dca9b8c50b5e59d3bea8b21cee5c6dae6c9c46

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html

[Third Party Advisory, VDB Entry] http://osvdb.org/60202

[Vendor Advisory] http://support.avaya.com/css/P8/documents/100073666

[Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27

[Vendor Advisory] http://www.ubuntu.com/usn/usn-864-1

[Exploit] https://bugzilla.redhat.com/show_bug.cgi?id=526068

[Vendor Advisory] https://rhn.redhat.com/errata/RHSA-2010-0046.html

[Vendor Advisory] https://rhn.redhat.com/errata/RHSA-2010-0095.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/37019

[Third Party Advisory] http://www.debian.org/security/2010/dsa-2005

[Mailing List] http://www.openwall.com/lists/oss-security/2009/11/13/1

[Mailing List] http://www.openwall.com/lists/oss-security/2009/11/13/4

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11018

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7163

[Third Party Advisory] http://secunia.com/advisories/37909

Scores

EPSS 0.0009

EPSS Percentile 25.5%

Classification

CWE

CWE-264

Status draft

Affected Products (50)

linux/linux_kernel < 2.6.26

linux/linux_kernel

... and 35 more

Timeline

Published Nov 16, 2009

Tracked Since Feb 18, 2026