National Vulnerability Database (NVD) National Vulnerability Database (CVE-2008-3528)

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Last updated: Sun Aug 30 11:44:06 EDT 2009

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Vulnerability Summary for CVE-2008-3528

Original release date:09/27/2008

Last revised:04/08/2009

Source: US-CERT/NIST

Overview

The error-reporting functionality in (1) fs/ext2/dir.c, (2) fs/ext3/dir.c, and possibly (3) fs/ext4/dir.c in the Linux kernel 2.6.26.5 does not limit the number of printk console messages that report directory corruption, which allows physically proximate attackers to cause a denial of service (temporary system hang) by mounting a filesystem that has corrupted dir->i_size and dir->i_blocks values and performing (a) read or (b) write operations. NOTE: there are limited scenarios in which this crosses privilege boundaries.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.1 (HIGH) (AV:N/AC:M/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=459577

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=459577

External Source: XF

Name: kernel-errorreporting-dos(45720)

Hyperlink:http://xforce.iss.net/xforce/xfdb/45720

External Source: UBUNTU

Name: USN-662-1

Hyperlink:http://www.ubuntu.com/usn/usn-662-1

External Source: BUGTRAQ

Name: 20081112 rPSA-2008-0316-1 kernel

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/498285/100/0/threaded