CVE-2006-0744

medium

Description

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.

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9732

https://exchange.xforce.ibmcloud.com/vulnerabilities/25869

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

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

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

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

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

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

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

http://www.osvdb.org/24639

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

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

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

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

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

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

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

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

http://secunia.com/advisories/21983

http://secunia.com/advisories/21745

http://secunia.com/advisories/21498

http://secunia.com/advisories/21179

http://secunia.com/advisories/21136

http://secunia.com/advisories/20914

http://secunia.com/advisories/20716

http://secunia.com/advisories/20398

http://secunia.com/advisories/20237

http://secunia.com/advisories/20157

http://secunia.com/advisories/19735

http://secunia.com/advisories/19639

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

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

Details

Source: Mitre, NVD

Published: 2006-04-18

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium