National Cyber-Alert System
Vulnerability Summary for CVE-2009-0747
Original release date:02/27/2009
Last revised:01/23/2013
Source:
US-CERT/NIST
Overview
The ext4_isize function in fs/ext4/ext4.h in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 uses the i_size_high structure member during operations on arbitrary types of files, which allows local users to cause a denial of service (CPU consumption and error-message flood) by attempting to mount a crafted ext4 filesystem.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
Official Statement from Red Hat (09/02/2009)
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.
This issue was addressed in Red Hat Enterprise Linux 5 by
https://rhn.redhat.com/errata/RHSA-2009-1243.html
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://bugzilla.kernel.org/show_bug.cgi?id=12375
Type: Patch Information
External Source: VUPEN
Name: ADV-2009-3316
External Source: VUPEN
Name: ADV-2009-0509
Type: Advisory
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2009-0016.html
External Source: UBUNTU
Name: USN-751-1
External Source: BUGTRAQ
Name: 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
External Source: DEBIAN
Name: DSA-1749
External Source: SECUNIA
Name: 37471
External Source: SECUNIA
Name: 36562
External Source: SECUNIA
Name: 34394
External Source: REDHAT
Name: RHSA-2009:1243
External Source: OVAL
Name: oval:org.mitre.oval:def:9200
External Source: OVAL
Name: oval:org.mitre.oval:def:8585
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=06a279d636734da32bb62dd2f7b0ade666f65d7c
References to Check Content
Identifier:oval:org.mitre.oval:def:8585
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:9200
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Technical Details
- Resource Management Errors (CWE-399)
