National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-0006 Detail

Current Description

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."

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

Evaluator Impact

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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Hyperlink Resource
http://bugzilla.kernel.org/show_bug.cgi?id=7727
http://www.mandriva.com/security/advisories?name=MDKSA-2007:047
http://www.mandriva.com/security/advisories?name=MDKSA-2007:060
http://www.novell.com/linux/security/advisories/2007_21_kernel.html
http://www.redhat.com/support/errata/RHSA-2007-0085.html
http://www.redhat.com/support/errata/RHSA-2007-0099.html
http://www.securityfocus.com/archive/1/471457
http://www.securityfocus.com/bid/22539
http://www.ubuntu.com/usn/usn-451-1
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227495
https://issues.rpath.com/browse/RPL-1097
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9829

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:2.6.9:2.6.20:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.6.20


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-0006
NVD Published Date:
02/06/2007
NVD Last Modified:
10/10/2017