National Cyber Awareness System

Vulnerability Summary for CVE-2008-2372

Overview

The Linux kernel 2.6.24 and 2.6.25 before 2.6.25.9 allows local users to cause a denial of service (memory consumption) via a large number of calls to the get_user_pages function, which lacks a ZERO_PAGE optimization and results in allocation of "useless newly zeroed pages."

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://issues.rpath.com/browse/RPL-2629

Hyperlink:https://issues.rpath.com/browse/RPL-2629

External Source: XF

Name: linux-kernel-getuserpages-dos(43550)

Hyperlink:http://xforce.iss.net/xforce/xfdb/43550

External Source: MLIST

Name: [linux-kernel] 20080430 Re: Page Faults slower in 2.6.25-rc9 than 2.6.23

Hyperlink:http://www.ussg.iu.edu/hypermail/linux/kernel/0804.3/3203.html

External Source: UBUNTU

Name: USN-659-1

Hyperlink:http://www.ubuntu.com/usn/usn-659-1

External Source: REDHAT

Name: RHSA-2008:0957

Hyperlink:http://www.redhat.com/support/errata/RHSA-2008-0957.html

External Source: REDHAT

Name: RHSA-2008:0585

Hyperlink:http://www.redhat.com/support/errata/RHSA-2008-0585.html

External Source: CONFIRM

Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0207

Hyperlink:http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0207

External Source: SECUNIA

Name: 32485

Hyperlink:http://secunia.com/advisories/32485

External Source: SECUNIA

Name: 32393

Hyperlink:http://secunia.com/advisories/32393

External Source: SECUNIA

Name: 31628

Hyperlink:http://secunia.com/advisories/31628

External Source: SECUNIA

Name: 31202

Hyperlink:http://secunia.com/advisories/31202

External Source: SECUNIA

Name: 30982

Hyperlink:http://secunia.com/advisories/30982

External Source: SECUNIA

Name: 30901

Hyperlink:http://secunia.com/advisories/30901

External Source: OVAL

Name: oval:org.mitre.oval:def:9383

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9383

External Source: MISC

Name: http://new-ubuntu-news.blogspot.com/2008/06/re-pending-stable-kernel-security_25.html

Hyperlink:http://new-ubuntu-news.blogspot.com/2008/06/re-pending-stable-kernel-security_25.html

External Source: SUSE

Name: SUSE-SA:2008:038

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html

External Source: SUSE

Name: SUSE-SA:2008:037

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html

External Source: SUSE

Name: SUSE-SA:2008:035

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html

External Source: CONFIRM

Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.9

Hyperlink:http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.9

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89f5b7da2a6bad2e84670422ab8192382a5aeb9f

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89f5b7da2a6bad2e84670422ab8192382a5aeb9f

References to Check Content

Identifier:oval:org.mitre.oval:def:9383

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9383