National Cyber Awareness System

Vulnerability Summary for CVE-2006-0744

Overview

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: linux-uncanonical-addr-dos(25869)

Hyperlink:http://xforce.iss.net/xforce/xfdb/25869

External Source: VUPEN

Name: ADV-2006-2554

Hyperlink:http://www.vupen.com/english/advisories/2006/2554

External Source: VUPEN

Name: ADV-2006-1475

Hyperlink:http://www.vupen.com/english/advisories/2006/1475

External Source: VUPEN

Name: ADV-2006-1390

Hyperlink:http://www.vupen.com/english/advisories/2006/1390

External Source: UBUNTU

Name: USN-302-1

Hyperlink:http://www.ubuntu.com/usn/usn-302-1

External Source: BID

Name: 17541

Hyperlink:http://www.securityfocus.com/bid/17541

External Source: REDHAT

Name: RHSA-2006:0493

Hyperlink:http://www.redhat.com/support/errata/RHSA-2006-0493.html

External Source: REDHAT

Name: RHSA-2006:0437

Hyperlink:http://www.redhat.com/support/errata/RHSA-2006-0437.html

External Source: OSVDB

Name: 24639

Hyperlink:http://www.osvdb.org/24639

External Source: SUSE

Name: SUSE-SA:2006:047

Hyperlink:http://www.novell.com/linux/security/advisories/2006_47_kernel.html

External Source: SUSE

Name: SUSE-SA:2006:042

Hyperlink:http://www.novell.com/linux/security/advisories/2006_42_kernel.html

External Source: SUSE

Name: SUSE-SA:2006:028

Hyperlink:http://www.novell.com/linux/security/advisories/2006-05-31.html

External Source: MANDRIVA

Name: MDKSA-2006:150

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2006:150

External Source: MANDRIVA

Name: MDKSA-2006:086

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2006:086

External Source: DEBIAN

Name: DSA-1103

Hyperlink:http://www.debian.org/security/2006/dsa-1103

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm

External Source: SECUNIA

Name: 21983

Type: Advisory

Hyperlink:http://secunia.com/advisories/21983

External Source: SECUNIA

Name: 21745

Type: Advisory

Hyperlink:http://secunia.com/advisories/21745

External Source: SECUNIA

Name: 21498

Type: Advisory

Hyperlink:http://secunia.com/advisories/21498

External Source: SECUNIA

Name: 21179

Type: Advisory

Hyperlink:http://secunia.com/advisories/21179

External Source: SECUNIA

Name: 21136

Type: Advisory

Hyperlink:http://secunia.com/advisories/21136

External Source: SECUNIA

Name: 20914

Type: Advisory

Hyperlink:http://secunia.com/advisories/20914

External Source: SECUNIA

Name: 20716

Type: Advisory

Hyperlink:http://secunia.com/advisories/20716

External Source: SECUNIA

Name: 20398

Hyperlink:http://secunia.com/advisories/20398

External Source: SECUNIA

Name: 20237

Type: Advisory

Hyperlink:http://secunia.com/advisories/20237

External Source: SECUNIA

Name: 20157

Type: Advisory

Hyperlink:http://secunia.com/advisories/20157

External Source: SECUNIA

Name: 19735

Type: Advisory

Hyperlink:http://secunia.com/advisories/19735

External Source: SECUNIA

Name: 19639

Type: Advisory

Hyperlink:http://secunia.com/advisories/19639

External Source: OVAL

Name: oval:org.mitre.oval:def:9732

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9732

External Source: FEDORA

Name: FEDORA-2006-423

Hyperlink:http://lwn.net/Alerts/180820/

External Source: CONFIRM

Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.5

Hyperlink:http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.5

References to Check Content

Identifier:oval:org.mitre.oval:def:9732

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9732