National Cyber Awareness System

Vulnerability Summary for CVE-2007-0771

Overview

The utrace support in Linux kernel 2.6.18, and other versions, allows local users to cause a denial of service (system hang) related to "MT exec + utrace_attach spin failure mode," as demonstrated by ptrace-thrash.c.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: REDHAT

Name: RHSA-2007:0169

Type: Advisory; Patch Information

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-0169.html

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=228816

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=228816

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=227952

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=227952

External Source: XF

Name: kernel-utracesupport-dos(34128)

Hyperlink:http://xforce.iss.net/xforce/xfdb/34128

External Source: BID

Name: 23720

Hyperlink:http://www.securityfocus.com/bid/23720

External Source: SECTRACK

Name: 1017979

Hyperlink:http://securitytracker.com/id?1017979

External Source: SECUNIA

Name: 25080

Type: Advisory

Hyperlink:http://secunia.com/advisories/25080

External Source: OVAL

Name: oval:org.mitre.oval:def:9447

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9447

External Source: OSVDB

Name: 35927

Hyperlink:http://osvdb.org/35927

References to Check Content

Identifier:oval:org.mitre.oval:def:9447

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9447