CVE-2009-4021

Linux Kernel < 2.6.32 - Denial of Service via FUSE Direct I/O Invalid Pointer Dereference

Title source: llm
STIX 2.1

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.

References (20)

Core 20
Core References
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/11/19/1
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/11/24/5
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/37069
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/54358
Vendor Advisory x_refsource_confirm
http://support.avaya.com/css/P8/documents/100073666
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37909
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=538734
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6955
Vendor Advisory vendor-advisory x_refsource_redhat
https://rhn.redhat.com/errata/RHSA-2010-0095.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10516
Vendor Advisory vendor-advisory x_refsource_redhat
https://rhn.redhat.com/errata/RHSA-2010-0046.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2010/dsa-2005
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2010-0041.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/38017

Scores

EPSS 0.0041
EPSS Percentile 34.0%

Details

CWE
CWE-399
Status published
Products (50)
linux/linux_kernel 2.6.0
linux/linux_kernel 2.6.1
linux/linux_kernel 2.6.2
linux/linux_kernel 2.6.3
linux/linux_kernel 2.6.4
linux/linux_kernel 2.6.5
linux/linux_kernel 2.6.6
linux/linux_kernel 2.6.7
linux/linux_kernel 2.6.8
linux/linux_kernel 2.6.8.1
... and 40 more
Published Nov 25, 2009
Tracked Since Feb 18, 2026