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, m...

MediumCVSS 5.6 EPSS 0.51%

Published: 2005-03-08 07:00
Updated: 2026-06-17 01:10
Exploit status: No public exploit known

Description

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.

Affected products

Product	Affected versions	Fixed in
freebsd	= 1.1.5.1	No fix listed
freebsd	= 2.0	No fix listed
freebsd	= 2.0.5	No fix listed
freebsd	= 2.1.0	No fix listed
freebsd	= 2.1.5	No fix listed
freebsd	= 2.1.6	No fix listed
freebsd	= 2.1.6.1	No fix listed
freebsd	= 2.1.7.1	No fix listed
freebsd	= 2.2	No fix listed
freebsd	= 2.2.2	No fix listed
freebsd	= 2.2.3	No fix listed
freebsd	= 2.2.4	No fix listed
freebsd	= 2.2.5	No fix listed
freebsd	= 2.2.6	No fix listed
freebsd	= 2.2.8	No fix listed
freebsd	= 3.0	No fix listed
freebsd	= 3.0-releng	No fix listed
freebsd	= 3.1	No fix listed
freebsd	= 3.2	No fix listed
freebsd	= 3.3	No fix listed
freebsd	= 3.4	No fix listed
freebsd	= 3.5	No fix listed
freebsd	= 3.5-stable	No fix listed
freebsd	= 3.5.1	No fix listed
freebsd	= 3.5.1-release	No fix listed

Show 83 more

Product	Affected versions	Fixed in
freebsd	= 3.5.1-stable	No fix listed
freebsd	= 4.0	No fix listed
freebsd	= 4.0-alpha	No fix listed
freebsd	= 4.0-releng	No fix listed
freebsd	= 4.1	No fix listed
freebsd	= 4.1.1	No fix listed
freebsd	= 4.1.1-release	No fix listed
freebsd	= 4.1.1-stable	No fix listed
freebsd	= 4.2	No fix listed
freebsd	= 4.2-stable	No fix listed
freebsd	= 4.3	No fix listed
freebsd	= 4.3-release	No fix listed
freebsd	= 4.3-release_p38	No fix listed
freebsd	= 4.3-releng	No fix listed
freebsd	= 4.3-stable	No fix listed
freebsd	= 4.4	No fix listed
freebsd	= 4.4-release_p42	No fix listed
freebsd	= 4.4-releng	No fix listed
freebsd	= 4.4-stable	No fix listed
freebsd	= 4.5	No fix listed
freebsd	= 4.5-release	No fix listed
freebsd	= 4.5-release_p32	No fix listed
freebsd	= 4.5-releng	No fix listed
freebsd	= 4.5-stable	No fix listed
freebsd	= 4.6	No fix listed
freebsd	= 4.6-release	No fix listed
freebsd	= 4.6-release_p20	No fix listed
freebsd	= 4.6-releng	No fix listed
freebsd	= 4.6-stable	No fix listed
freebsd	= 4.6.2	No fix listed
freebsd	= 4.7	No fix listed
freebsd	= 4.7-release	No fix listed
freebsd	= 4.7-release_p17	No fix listed
freebsd	= 4.7-releng	No fix listed
freebsd	= 4.7-stable	No fix listed
freebsd	= 4.8	No fix listed
freebsd	= 4.8-pre-release	No fix listed
freebsd	= 4.8-release_p6	No fix listed
freebsd	= 4.8-releng	No fix listed
freebsd	= 4.9	No fix listed
freebsd	= 4.9-pre-release	No fix listed
freebsd	= 4.9-releng	No fix listed
freebsd	= 4.10	No fix listed
freebsd	= 4.10-release	No fix listed
freebsd	= 4.10-release_p8	No fix listed
freebsd	= 4.10-releng	No fix listed
freebsd	= 4.11-release_p3	No fix listed
freebsd	= 4.11-releng	No fix listed
freebsd	= 4.11-stable	No fix listed
freebsd	= 5.0	No fix listed
freebsd	= 5.0-alpha	No fix listed
freebsd	= 5.0-release_p14	No fix listed
freebsd	= 5.0-releng	No fix listed
freebsd	= 5.1	No fix listed
freebsd	= 5.1-alpha	No fix listed
freebsd	= 5.1-release	No fix listed
freebsd	= 5.1-release_p5	No fix listed
freebsd	= 5.1-releng	No fix listed
freebsd	= 5.2	No fix listed
freebsd	= 5.2.1-release	No fix listed
freebsd	= 5.2.1-releng	No fix listed
freebsd	= 5.3	No fix listed
freebsd	= 5.3-release	No fix listed
freebsd	= 5.3-releng	No fix listed
freebsd	= 5.3-stable	No fix listed
freebsd	= 5.4-pre-release	No fix listed
redhat enterprise linux	= 2.1	No fix listed
redhat enterprise linux	= 3.0	No fix listed
redhat enterprise linux	= 4.0	No fix listed
redhat enterprise linux desktop	= 3.0	No fix listed
redhat enterprise linux desktop	= 4.0	No fix listed
redhat fedora core	= core_3.0	No fix listed
sco openserver	= 5.0.7	No fix listed
sco unixware	= 7.1.3	No fix listed
sco unixware	= 7.1.3_up	No fix listed
sco unixware	= 7.1.4	No fix listed
sun solaris	= 7.0	No fix listed
sun solaris	= 8.0	No fix listed
sun solaris	= 9.0	No fix listed
sun solaris	= 9.0-x86_update_2	No fix listed
sun solaris	= 10.0	No fix listed
ubuntu linux	= 4.1	No fix listed
ubuntu linux	= 5.04	No fix listed

References

[freebsd-hackers] 20050304 Re: FW:FreeBSD hiding security stuff mailing-list
[freebsd-security] 20050304 [Fwd: Re: FW:FreeBSD hiding security stuff] mailing-list
[openbsd-misc] 20050304 Re: FreeBSD hiding security stuff mailing-list
15348 permissions-required third-party-advisory
18165 permissions-required third-party-advisory
1013967 patch third-party-advisory vdb-entry vendor-advisory
101739 vendor-advisory
www-1.ibm.com broken-link
www.daemonology.net third-party-advisory
www.daemonology.net third-party-advisory
VU#911878 third-party-advisory us-government-resource
RHSA-2005:476 not-applicable vendor-advisory
RHSA-2005:800 not-applicable vendor-advisory
12724 patch third-party-advisory vdb-entry vendor-advisory
ADV-2005-0540 permissions-required vdb-entry
ADV-2005-3002 permissions-required vdb-entry
oval:org.mitre.oval:def:9747 signature third-party-advisory vdb-entry

CVSS v3.0

5.6 Medium

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

Attack Vector: Local
Attack Complexity: High
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality: High
Integrity: None
Availability: None

All scores (2)

v3.0 5.6 · nvd@nist.gov
v2.0 4.7 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 0.51% (percentile 44.0)
CWE: Not classified

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.