CVE-2009-4021 Information

Description

The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f60311d5f7670d9539b424e4ed8b5c0872fc9e83 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/2010-02/msg00005.html http://secunia.com/advisories/37909 http://secunia.com/advisories/38017 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/testing/ChangeLog-2.6.32-rc7 http://www.openwall.com/lists/oss-security/2009/11/19/1 http://www.openwall.com/lists/oss-security/2009/11/24/5 http://www.redhat.com/support/errata/RHSA-2010-0041.html http://www.securityfocus.com/bid/37069 https://bugzilla.redhat.com/show_bug.cgi?id=538734 https://exchange.xforce.ibmcloud.com/vulnerabilities/54358 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10516 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A6955 https://rhn.redhat.com/errata/RHSA-2010-0046.html https://rhn.redhat.com/errata/RHSA-2010-0095.html