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CVE-2005-0109

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.6, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 8 products from freebsd, from redhat, from redhat and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-03-05T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.6 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	freebsd	freebsd	1.1.5.1	Yes
Operating System	freebsd	freebsd	2.0	Yes
Operating System	freebsd	freebsd	2.0.5	Yes
Operating System	freebsd	freebsd	2.1.0	Yes
Operating System	freebsd	freebsd	2.1.5	Yes
Operating System	freebsd	freebsd	2.1.6	Yes
Operating System	freebsd	freebsd	2.1.6.1	Yes
Operating System	freebsd	freebsd	2.1.7.1	Yes
Operating System	freebsd	freebsd	2.2	Yes
Operating System	freebsd	freebsd	2.2.2	Yes
Operating System	freebsd	freebsd	2.2.3	Yes
Operating System	freebsd	freebsd	2.2.4	Yes
Operating System	freebsd	freebsd	2.2.5	Yes
Operating System	freebsd	freebsd	2.2.6	Yes
Operating System	freebsd	freebsd	2.2.8	Yes
Operating System	freebsd	freebsd	3.0	Yes
Operating System	freebsd	freebsd	3.0	Yes
Operating System	freebsd	freebsd	3.1	Yes
Operating System	freebsd	freebsd	3.2	Yes
Operating System	freebsd	freebsd	3.3	Yes
Operating System	freebsd	freebsd	3.4	Yes
Operating System	freebsd	freebsd	3.5	Yes
Operating System	freebsd	freebsd	3.5	Yes
Operating System	freebsd	freebsd	3.5.1	Yes
Operating System	freebsd	freebsd	3.5.1	Yes
Operating System	freebsd	freebsd	3.5.1	Yes
Operating System	freebsd	freebsd	4.0	Yes
Operating System	freebsd	freebsd	4.0	Yes
Operating System	freebsd	freebsd	4.0	Yes
Operating System	freebsd	freebsd	4.1	Yes
Operating System	freebsd	freebsd	4.1.1	Yes
Operating System	freebsd	freebsd	4.1.1	Yes
Operating System	freebsd	freebsd	4.1.1	Yes
Operating System	freebsd	freebsd	4.2	Yes
Operating System	freebsd	freebsd	4.2	Yes
Operating System	freebsd	freebsd	4.3	Yes
Operating System	freebsd	freebsd	4.3	Yes
Operating System	freebsd	freebsd	4.3	Yes
Operating System	freebsd	freebsd	4.3	Yes
Operating System	freebsd	freebsd	4.3	Yes
Operating System	freebsd	freebsd	4.4	Yes
Operating System	freebsd	freebsd	4.4	Yes
Operating System	freebsd	freebsd	4.4	Yes
Operating System	freebsd	freebsd	4.4	Yes
Operating System	freebsd	freebsd	4.5	Yes
Operating System	freebsd	freebsd	4.5	Yes
Operating System	freebsd	freebsd	4.5	Yes
Operating System	freebsd	freebsd	4.5	Yes
Operating System	freebsd	freebsd	4.5	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6	Yes
Operating System	freebsd	freebsd	4.6.2	Yes
Operating System	freebsd	freebsd	4.7	Yes
Operating System	freebsd	freebsd	4.7	Yes
Operating System	freebsd	freebsd	4.7	Yes
Operating System	freebsd	freebsd	4.7	Yes
Operating System	freebsd	freebsd	4.7	Yes
Operating System	freebsd	freebsd	4.8	Yes
Operating System	freebsd	freebsd	4.8	Yes
Operating System	freebsd	freebsd	4.8	Yes
Operating System	freebsd	freebsd	4.8	Yes
Operating System	freebsd	freebsd	4.9	Yes
Operating System	freebsd	freebsd	4.9	Yes
Operating System	freebsd	freebsd	4.9	Yes
Operating System	freebsd	freebsd	4.10	Yes
Operating System	freebsd	freebsd	4.10	Yes
Operating System	freebsd	freebsd	4.10	Yes
Operating System	freebsd	freebsd	4.10	Yes
Operating System	freebsd	freebsd	4.11	Yes
Operating System	freebsd	freebsd	4.11	Yes
Operating System	freebsd	freebsd	4.11	Yes
Operating System	freebsd	freebsd	5.0	Yes
Operating System	freebsd	freebsd	5.0	Yes
Operating System	freebsd	freebsd	5.0	Yes
Operating System	freebsd	freebsd	5.0	Yes
Operating System	freebsd	freebsd	5.1	Yes
Operating System	freebsd	freebsd	5.1	Yes
Operating System	freebsd	freebsd	5.1	Yes
Operating System	freebsd	freebsd	5.1	Yes
Operating System	freebsd	freebsd	5.1	Yes
Operating System	freebsd	freebsd	5.2	Yes
Operating System	freebsd	freebsd	5.2.1	Yes
Operating System	freebsd	freebsd	5.2.1	Yes
Operating System	freebsd	freebsd	5.3	Yes
Operating System	freebsd	freebsd	5.3	Yes
Operating System	freebsd	freebsd	5.3	Yes
Operating System	freebsd	freebsd	5.3	Yes
Operating System	freebsd	freebsd	5.4	Yes
Operating System	freebsd	freebsd	5.4	No
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	2.1	Yes
Operating System	redhat	enterprise_linux	3.0	Yes
Operating System	redhat	enterprise_linux	3.0	Yes
Operating System	redhat	enterprise_linux	3.0	Yes
Operating System	redhat	enterprise_linux	4.0	Yes
Operating System	redhat	enterprise_linux	4.0	Yes
Operating System	redhat	enterprise_linux	4.0	Yes
Operating System	redhat	enterprise_linux_desktop	3.0	Yes
Operating System	redhat	enterprise_linux_desktop	4.0	Yes
Operating System	redhat	fedora_core	core_3.0	Yes
Operating System	sco	openserver	5.0.7	Yes
Operating System	sco	unixware	7.1.3	Yes
Operating System	sco	unixware	7.1.3_up	Yes
Operating System	sco	unixware	7.1.4	Yes
Operating System	sun	solaris	7.0	Yes
Operating System	sun	solaris	8.0	Yes
Operating System	sun	solaris	9.0	Yes
Operating System	sun	solaris	9.0	Yes
Operating System	sun	solaris	10.0	Yes
Operating System	ubuntu	ubuntu_linux	4.1	Yes
Operating System	ubuntu	ubuntu_linux	4.1	Yes
Operating System	ubuntu	ubuntu_linux	5.04	Yes
Operating System	ubuntu	ubuntu_linux	5.04	Yes
Operating System	ubuntu	ubuntu_linux	5.04	Yes

References

ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt Third Party Advisory ([email protected])
http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2 Mailing List ([email protected])
http://marc.info/?l=freebsd-security&m=110994370429609&w=2 Mailing List ([email protected])
http://marc.info/?l=openbsd-misc&m=110995101417256&w=2 Mailing List ([email protected])
http://secunia.com/advisories/15348 Permissions Required ([email protected])
http://secunia.com/advisories/18165 Permissions Required ([email protected])
http://securitytracker.com/id?1013967 Patch, Third Party Advisory, VDB Entry, Vendor Advisory ([email protected])
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101739-1 Vendor Advisory ([email protected])
http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754 Broken Link ([email protected])
http://www.daemonology.net/hyperthreading-considered-harmful/ Third Party Advisory ([email protected])
http://www.daemonology.net/papers/htt.pdf Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/911878 Third Party Advisory, US Government Resource ([email protected])
http://www.redhat.com/support/errata/RHSA-2005-476.html Not Applicable ([email protected])
http://www.redhat.com/support/errata/RHSA-2005-800.html Not Applicable ([email protected])
http://www.securityfocus.com/bid/12724 Patch, Third Party Advisory, VDB Entry, Vendor Advisory ([email protected])
http://www.vupen.com/english/advisories/2005/0540 Permissions Required ([email protected])
http://www.vupen.com/english/advisories/2005/3002 Permissions Required ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9747 Third Party Advisory ([email protected])
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=freebsd-security&m=110994370429609&w=2 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=openbsd-misc&m=110995101417256&w=2 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/15348 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18165 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1013967 Patch, Third Party Advisory, VDB Entry, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101739-1 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.daemonology.net/hyperthreading-considered-harmful/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.daemonology.net/papers/htt.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/911878 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2005-476.html Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2005-800.html Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/12724 Patch, Third Party Advisory, VDB Entry, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/0540 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/3002 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9747 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freebsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.