National Cyber-Alert System

Vulnerability Summary for CVE-2007-3739

Overview

mm/mmap.c in the hugetlb kernel, when run on PowerPC systems, does not prevent stack expansion from entering into reserved kernel page memory, which allows local users to cause a denial of service (OOPS) via unspecified vectors.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Red Hat (10/18/2007)

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1.

References to Advisories, Solutions, and Tools

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External Source: MISC

Name: https://bugzilla.redhat.com/show_bug.cgi?id=253313

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=253313

External Source: REDHAT

Name: RHSA-2007:0705

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-0705.html

External Source: SECUNIA

Name: 26760

Type: Advisory

Hyperlink:http://secunia.com/advisories/26760

External Source: MLIST

Name: [lkml] 20070129 [PATCH] Don't allow the stack to grow into hugetlb reserved regions

Hyperlink:http://lkml.org/lkml/2007/1/29/180

External Source: XF

Name: kernel-stack-expansion-dos(36592)

Hyperlink:http://xforce.iss.net/xforce/xfdb/36592

External Source: UBUNTU

Name: USN-518-1

Hyperlink:http://www.ubuntu.com/usn/usn-518-1

External Source: REDHAT

Name: RHSA-2007:1049

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-1049.html

External Source: REDHAT

Name: RHSA-2007:0939

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-0939.html

External Source: DEBIAN

Name: DSA-1504

Hyperlink:http://www.debian.org/security/2008/dsa-1504

External Source: DEBIAN

Name: DSA-1378

Hyperlink:http://www.debian.org/security/2007/dsa-1378

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm

External Source: SECUNIA

Name: 29058

Hyperlink:http://secunia.com/advisories/29058

External Source: SECUNIA

Name: 27913

Hyperlink:http://secunia.com/advisories/27913

External Source: SECUNIA

Name: 27747

Hyperlink:http://secunia.com/advisories/27747

External Source: SECUNIA

Name: 27436

Hyperlink:http://secunia.com/advisories/27436

External Source: SECUNIA

Name: 26978

Hyperlink:http://secunia.com/advisories/26978

External Source: SECUNIA

Name: 26955

Hyperlink:http://secunia.com/advisories/26955

External Source: SECUNIA

Name: 23955

Hyperlink:http://secunia.com/advisories/23955