CVE-2009-3939 Information

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.

Reference

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/2010-01/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.html http://osvdb.org/60201 http://secunia.com/advisories/37909 http://secunia.com/advisories/38017 http://secunia.com/advisories/38276 http://secunia.com/advisories/38492 http://secunia.com/advisories/38779 http://support.avaya.com/css/P8/documents/100073666 http://www.debian.org/security/2010/dsa-1996 http://www.openwall.com/lists/oss-security/2009/11/13/1 http://www.securityfocus.com/bid/37019 http://www.ubuntu.com/usn/usn-864-1 https://bugzilla.redhat.com/show_bug.cgi?id=526068 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10310 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A7540 https://rhn.redhat.com/errata/RHSA-2010-0046.html https://rhn.redhat.com/errata/RHSA-2010-0095.html