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Last updated: 7/25/2014 9:06:21 PM

CVE Publication rate: 19.43

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Vulnerability Workload Index: 7.12
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National Cyber Awareness System

Vulnerability Summary for CVE-2007-0006

Original release date: 02/06/2007
Last revised: 09/15/2010
Source: US-CERT/NIST

Overview

The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as "spinlock CPU recursion."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 1.9 (LOW) (AV:L/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service
The scheme for selecting serial numbers was changed from incrementing a counter to random number selection, increasing the likelihood of a serial number collision.

References to Advisories, Solutions, and Tools

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External Source: OVAL
Name: oval:org.mitre.oval:def:9829
External Source: REDHAT
Name: RHSA-2007:0099
External Source: BUGTRAQ
Name: 20070615 rPSA-2007-0124-1 kernel xen
External Source: BID
Name: 22539
External Source: MANDRIVA
Name: MDKSA-2007:047
External Source: CONFIRM
Name: http://bugzilla.kernel.org/show_bug.cgi?id=7727
External Source: SECUNIA
Name: 24752
Type: Advisory
External Source: SECUNIA
Name: 24259
Type: Advisory
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1097
External Source: MANDRIVA
Name: MDKSA-2007:060
External Source: SECUNIA
Name: 24482
Type: Advisory
External Source: SECUNIA
Name: 24300
Type: Advisory
External Source: SECUNIA
Name: 24429
Type: Advisory
External Source: REDHAT
Name: RHSA-2007:0085
External Source: CONFIRM
Name: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227495
External Source: SECUNIA
Name: 24547
Type: Advisory
External Source: UBUNTU
Name: USN-451-1
External Source: SECUNIA
Name: 24109
Type: Advisory
External Source: SECUNIA
Name: 25691
Type: Advisory
External Source: SUSE
Name: SUSE-SA:2007:021

References to Check Content

Identifier: oval:org.mitre.oval:def:9829
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)