CVE-2009-4021

MEDIUM

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

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/oval%3Aorg.mitre.oval%3Adef%3A10516

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6955

https://rhn.redhat.com/errata/RHSA-2010-0046.html

https://rhn.redhat.com/errata/RHSA-2010-0095.html

Details

Source: MITRE

Published: 2009-11-25

Updated: 2017-09-19

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM