CVE-2006-1056 Detail

Current Description

The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one process to determine portions of the state of floating point instructions of other processes, which can be leveraged to obtain sensitive information such as cryptographic keys. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Evaluator Solution

Upgrade to Linux Kernel version 2.6.16.9 : http://www.kernel.org/

References to Advisories, Solutions, and Tools

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Hyperlink Resource
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:14.fpu.asc
http://kb.vmware.com/kb/2533126
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.9
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lwn.net/Alerts/180820/
http://marc.info/?l=linux-kernel&m=114548768214478&w=2
http://security.freebsd.org/advisories/FreeBSD-SA-06:14-amd.txt
http://securitytracker.com/id?1015966
http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm
http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
http://www.debian.org/security/2006/dsa-1097
http://www.debian.org/security/2006/dsa-1103
http://www.novell.com/linux/security/advisories/2006-05-31.html
http://www.redhat.com/support/errata/RHSA-2006-0437.html
http://www.redhat.com/support/errata/RHSA-2006-0575.html
http://www.redhat.com/support/errata/RHSA-2006-0579.html
http://www.securityfocus.com/archive/1/431341
http://www.securityfocus.com/archive/1/451404/100/0/threaded
http://www.securityfocus.com/archive/1/451417/100/200/threaded
http://www.securityfocus.com/archive/1/451419/100/200/threaded
http://www.securityfocus.com/archive/1/451421/100/0/threaded
http://www.securityfocus.com/bid/17600 Patch 
http://www.ubuntu.com/usn/usn-302-1
http://www.vmware.com/download/esx/esx-213-200610-patch.html
http://www.vmware.com/download/esx/esx-254-200610-patch.html
http://www.vupen.com/english/advisories/2006/1426 Vendor Advisory 
http://www.vupen.com/english/advisories/2006/1475 Vendor Advisory 
http://www.vupen.com/english/advisories/2006/2554 Vendor Advisory 
http://www.vupen.com/english/advisories/2006/4353 Vendor Advisory 
http://www.vupen.com/english/advisories/2006/4502 Vendor Advisory 
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187910
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187911
https://exchange.xforce.ibmcloud.com/vulnerabilities/25871
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9995

Weakness Enumeration

CWE-ID CWE Name Source
CWE-310 Cryptographic Issues cwe source acceptance level NIST  

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-1056
NVD Published Date:
04/20/2006
NVD Last Modified:
10/30/2018
Source:
Red Hat, Inc.