CVE-2006-0744

Summary

CVECVE-2006-0744
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-04-18 10:02:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionLinux 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.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS: 0.001060000 probability, percentile 0.285820000 (date 2026-04-20)

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.6.0 All All All
Operating System Linux Linux Kernel 2.6.0 test1 All All
Operating System Linux Linux Kernel 2.6.0 test10 All All
Operating System Linux Linux Kernel 2.6.0 test11 All All
Operating System Linux Linux Kernel 2.6.0 test2 All All
Operating System Linux Linux Kernel 2.6.0 test3 All All
Operating System Linux Linux Kernel 2.6.0 test4 All All
Operating System Linux Linux Kernel 2.6.0 test5 All All
Operating System Linux Linux Kernel 2.6.0 test6 All All
Operating System Linux Linux Kernel 2.6.0 test7 All All
Operating System Linux Linux Kernel 2.6.0 test8 All All
Operating System Linux Linux Kernel 2.6.0 test9 All All
Operating System Linux Linux Kernel 2.6.1 All All All
Operating System Linux Linux Kernel 2.6.1 rc1 All All
Operating System Linux Linux Kernel 2.6.1 rc2 All All
Operating System Linux Linux Kernel 2.6.1 rc3 All All
Operating System Linux Linux Kernel 2.6.10 All All All
Operating System Linux Linux Kernel 2.6.10 rc1 All All
Operating System Linux Linux Kernel 2.6.10 rc2 All All
Operating System Linux Linux Kernel 2.6.10 rc3 All All
Operating System Linux Linux Kernel 2.6.11 All All All
Operating System Linux Linux Kernel 2.6.11 rc1 All All
Operating System Linux Linux Kernel 2.6.11 rc2 All All
Operating System Linux Linux Kernel 2.6.11 rc3 All All
Operating System Linux Linux Kernel 2.6.11 rc4 All All
Operating System Linux Linux Kernel 2.6.11 rc5 All All
Operating System Linux Linux Kernel 2.6.11.1 All All All
Operating System Linux Linux Kernel 2.6.11.10 All All All
Operating System Linux Linux Kernel 2.6.11.11 All All All
Operating System Linux Linux Kernel 2.6.11.12 All All All
Operating System Linux Linux Kernel 2.6.11.2 All All All
Operating System Linux Linux Kernel 2.6.11.3 All All All
Operating System Linux Linux Kernel 2.6.11.4 All All All
Operating System Linux Linux Kernel 2.6.11.5 All All All
Operating System Linux Linux Kernel 2.6.11.6 All All All
Operating System Linux Linux Kernel 2.6.11.7 All All All
Operating System Linux Linux Kernel 2.6.11.8 All All All
Operating System Linux Linux Kernel 2.6.11.9 All All All
Operating System Linux Linux Kernel 2.6.12 rc1 All All
Operating System Linux Linux Kernel 2.6.12 rc2 All All
Operating System Linux Linux Kernel 2.6.12 rc3 All All
Operating System Linux Linux Kernel 2.6.12 rc4 All All
Operating System Linux Linux Kernel 2.6.12 rc5 All All
Operating System Linux Linux Kernel 2.6.12 rc6 All All
Operating System Linux Linux Kernel 2.6.12.1 All All All
Operating System Linux Linux Kernel 2.6.12.2 All All All
Operating System Linux Linux Kernel 2.6.12.3 All All All
Operating System Linux Linux Kernel 2.6.12.4 All All All
Operating System Linux Linux Kernel 2.6.12.5 All All All
Operating System Linux Linux Kernel 2.6.12.6 All All All
Operating System Linux Linux Kernel 2.6.13 All All All
Operating System Linux Linux Kernel 2.6.13 rc1 All All
Operating System Linux Linux Kernel 2.6.13 rc2 All All
Operating System Linux Linux Kernel 2.6.13 rc3 All All
Operating System Linux Linux Kernel 2.6.13 rc4 All All
Operating System Linux Linux Kernel 2.6.13 rc5 All All
Operating System Linux Linux Kernel 2.6.13 rc6 All All
Operating System Linux Linux Kernel 2.6.13 rc7 All All
Operating System Linux Linux Kernel 2.6.13.1 All All All
Operating System Linux Linux Kernel 2.6.13.2 All All All
Operating System Linux Linux Kernel 2.6.13.3 All All All
Operating System Linux Linux Kernel 2.6.13.4 All All All
Operating System Linux Linux Kernel 2.6.14 All All All
Operating System Linux Linux Kernel 2.6.14 rc1 All All
Operating System Linux Linux Kernel 2.6.14 rc2 All All
Operating System Linux Linux Kernel 2.6.14 rc3 All All
Operating System Linux Linux Kernel 2.6.14 rc4 All All
Operating System Linux Linux Kernel 2.6.14 rc5 All All
Operating System Linux Linux Kernel 2.6.14.1 All All All
Operating System Linux Linux Kernel 2.6.14.2 All All All
Operating System Linux Linux Kernel 2.6.14.3 All All All
Operating System Linux Linux Kernel 2.6.14.4 All All All
Operating System Linux Linux Kernel 2.6.14.5 All All All
Operating System Linux Linux Kernel 2.6.14.6 All All All
Operating System Linux Linux Kernel 2.6.14.7 All All All
Operating System Linux Linux Kernel 2.6.15 All All All
Operating System Linux Linux Kernel 2.6.15 rc1 All All
Operating System Linux Linux Kernel 2.6.15 rc3 All All
Operating System Linux Linux Kernel 2.6.15 rc4 All All
Operating System Linux Linux Kernel 2.6.15 rc5 All All
Operating System Linux Linux Kernel 2.6.15 rc6 All All
Operating System Linux Linux Kernel 2.6.15 rc7 All All
Operating System Linux Linux Kernel 2.6.15.1 All All All
Operating System Linux Linux Kernel 2.6.15.2 All All All
Operating System Linux Linux Kernel 2.6.15.3 All All All
Operating System Linux Linux Kernel 2.6.15.4 All All All
Operating System Linux Linux Kernel 2.6.15.5 All All All
Operating System Linux Linux Kernel 2.6.15.6 All All All
Operating System Linux Linux Kernel 2.6.15.7 All All All
Operating System Linux Linux Kernel 2.6.16 All All All
Operating System Linux Linux Kernel 2.6.16 rc1 All All
Operating System Linux Linux Kernel 2.6.16 rc2 All All
Operating System Linux Linux Kernel 2.6.16 rc3 All All
Operating System Linux Linux Kernel 2.6.16 rc4 All All
Operating System Linux Linux Kernel 2.6.16 rc5 All All
Operating System Linux Linux Kernel 2.6.16 rc6 All All
Operating System Linux Linux Kernel 2.6.16.1 All All All
Operating System Linux Linux Kernel 2.6.16.2 All All All
Operating System Linux Linux Kernel 2.6.16.3 All All All
Operating System Linux Linux Kernel 2.6.16.4 All All All
Operating System Linux Linux Kernel 2.6.16_rc7 All All All
Operating System Linux Linux Kernel 2.6.2 All All All
Operating System Linux Linux Kernel 2.6.2 rc1 All All
Operating System Linux Linux Kernel 2.6.2 rc2 All All
Operating System Linux Linux Kernel 2.6.2 rc3 All All
Operating System Linux Linux Kernel 2.6.3 All All All
Operating System Linux Linux Kernel 2.6.3 rc1 All All
Operating System Linux Linux Kernel 2.6.3 rc2 All All
Operating System Linux Linux Kernel 2.6.3 rc3 All All
Operating System Linux Linux Kernel 2.6.3 rc4 All All
Operating System Linux Linux Kernel 2.6.4 All All All
Operating System Linux Linux Kernel 2.6.4 rc1 All All
Operating System Linux Linux Kernel 2.6.4 rc2 All All
Operating System Linux Linux Kernel 2.6.4 rc3 All All
Operating System Linux Linux Kernel 2.6.5 All All All
Operating System Linux Linux Kernel 2.6.5 rc1 All All
Operating System Linux Linux Kernel 2.6.5 rc2 All All
Operating System Linux Linux Kernel 2.6.5 rc3 All All
Operating System Linux Linux Kernel 2.6.6 All All All
Operating System Linux Linux Kernel 2.6.6 rc1 All All
Operating System Linux Linux Kernel 2.6.6 rc2 All All
Operating System Linux Linux Kernel 2.6.6 rc3 All All
Operating System Linux Linux Kernel 2.6.7 All All All
Operating System Linux Linux Kernel 2.6.7 rc1 All All
Operating System Linux Linux Kernel 2.6.7 rc2 All All
Operating System Linux Linux Kernel 2.6.7 rc3 All All
Operating System Linux Linux Kernel 2.6.8 All All All
Operating System Linux Linux Kernel 2.6.8 rc1 All All
Operating System Linux Linux Kernel 2.6.8 rc2 All All
Operating System Linux Linux Kernel 2.6.8 rc3 All All
Operating System Linux Linux Kernel 2.6.8 rc4 All All
Operating System Linux Linux Kernel 2.6.9 All All All
Operating System Linux Linux Kernel 2.6.9 2.6.20 All All
Operating System Linux Linux Kernel 2.6.9 rc1 All All
Operating System Linux Linux Kernel 2.6.9 rc2 All All
Operating System Linux Linux Kernel 2.6.9 rc3 All All
Operating System Linux Linux Kernel 2.6.9 rc4 All All
Operating System Linux Linux Kernel 2.6_test9_cvs All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
usn/usn-302-1 - Ubuntu: Linux for human beings af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Mandriva update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Advisories - Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
LWN: Fedora alert FEDORA-2006-423 (kernel) af854a3a-2127-422b-91ae-364da2661108 lwn.net
Security Announcement af854a3a-2127-422b-91ae-364da2661108 www.novell.com
Ubuntu update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Advisories - Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Linux Kernel Program Control Return Denial of Service - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
404: File not found af854a3a-2127-422b-91ae-364da2661108 kernel.org
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Red Hat update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Debian -- Security Information -- DSA-1103-1 kernel-source-2.6.8 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Avaya Products Linux Kernel Multiple Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
www.osvdb.org/24639 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
ASA-2006-161 (RHSA-2006-0493) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Linux Kernel Intel EM64T SYSRET Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Security Announcement af854a3a-2127-422b-91ae-364da2661108 www.novell.com
SUSE update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Security Announcement af854a3a-2127-422b-91ae-364da2661108 www.novell.com
ASA-2006-180 (RHSA-2006-0437) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Fedora update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Red Hat update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
SUSE update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Debian update for kernel-source-2.6.8 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
SUSE update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Avaya Products Linux Kernel Multiple Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report