National Vulnerability Database (NVD) National Vulnerability Database (CVE-2009-0748)

Mission and Overview

NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

Resource Status

NVD contains:

CVE Vulnerabilities: 38433
Checklists: 128
US-CERT Alerts: 179
US-CERT Vuln Notes: 2345
OVAL Queries: 2517
CPE Names: 17819

Last updated: Tue Aug 25 16:30:21 EDT 2009

CVE Publication rate: 17.47

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index

Vulnerability Workload Index: 10.37

About Us

NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

NIST Security Configuration Checklists - CSD

National Cyber-Alert System

Vulnerability Summary for CVE-2009-0748

Original release date:02/27/2009

Last revised:04/16/2009

Source: US-CERT/NIST

Overview

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate the superblock configuration, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) by attempting to mount a crafted ext4 filesystem.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)

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

Vendor Statments (disclaimer)

Official Statement from Red Hat (03/02/2009): Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-0748 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. Future kernel update in Red Hat Enterprise Linux 5 will address this flaw.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: VUPEN

Name: ADV-2009-0509

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2009/0509

External Source: UBUNTU

Name: USN-751-1

Hyperlink:http://www.ubuntu.com/usn/usn-751-1

External Source: DEBIAN

Name: DSA-1749

Hyperlink:http://www.debian.org/security/2009/dsa-1749

External Source: SECUNIA

Name: 34394