medium
5.6
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2005-0109

First published: Sat Mar 05 2005(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
FreeBSD Kernel=1.1.5.1
FreeBSD Kernel=2.0
FreeBSD Kernel=2.0.5
FreeBSD Kernel=2.1.0
FreeBSD Kernel=2.1.5
FreeBSD Kernel=2.1.6
FreeBSD Kernel=2.1.6.1
FreeBSD Kernel=2.1.7.1
FreeBSD Kernel=2.2
FreeBSD Kernel=2.2.2
FreeBSD Kernel=2.2.3
FreeBSD Kernel=2.2.4
FreeBSD Kernel=2.2.5
FreeBSD Kernel=2.2.6
FreeBSD Kernel=2.2.8
FreeBSD Kernel=3.0
FreeBSD Kernel=3.0-releng
FreeBSD Kernel=3.1
FreeBSD Kernel=3.2
FreeBSD Kernel=3.3
FreeBSD Kernel=3.4
FreeBSD Kernel=3.5
FreeBSD Kernel=3.5-stable
FreeBSD Kernel=3.5.1
FreeBSD Kernel=3.5.1-release
FreeBSD Kernel=3.5.1-stable
FreeBSD Kernel=4.0
FreeBSD Kernel=4.0-alpha
FreeBSD Kernel=4.0-releng
FreeBSD Kernel=4.1
FreeBSD Kernel=4.1.1
FreeBSD Kernel=4.1.1-release
FreeBSD Kernel=4.1.1-stable
FreeBSD Kernel=4.2
FreeBSD Kernel=4.2-stable
FreeBSD Kernel=4.3
FreeBSD Kernel=4.3-release
FreeBSD Kernel=4.3-release_p38
FreeBSD Kernel=4.3-releng
FreeBSD Kernel=4.3-stable
FreeBSD Kernel=4.4
FreeBSD Kernel=4.4-release_p42
FreeBSD Kernel=4.4-releng
FreeBSD Kernel=4.4-stable
FreeBSD Kernel=4.5
FreeBSD Kernel=4.5-release
FreeBSD Kernel=4.5-release_p32
FreeBSD Kernel=4.5-releng
FreeBSD Kernel=4.5-stable
FreeBSD Kernel=4.6
FreeBSD Kernel=4.6-release
FreeBSD Kernel=4.6-release_p20
FreeBSD Kernel=4.6-releng
FreeBSD Kernel=4.6-stable
FreeBSD Kernel=4.6.2
FreeBSD Kernel=4.7
FreeBSD Kernel=4.7-release
FreeBSD Kernel=4.7-release_p17
FreeBSD Kernel=4.7-releng
FreeBSD Kernel=4.7-stable
FreeBSD Kernel=4.8
FreeBSD Kernel=4.8-pre-release
FreeBSD Kernel=4.8-release_p6
FreeBSD Kernel=4.8-releng
FreeBSD Kernel=4.9
FreeBSD Kernel=4.9-pre-release
FreeBSD Kernel=4.9-releng
FreeBSD Kernel=4.10
FreeBSD Kernel=4.10-release
FreeBSD Kernel=4.10-release_p8
FreeBSD Kernel=4.10-releng
FreeBSD Kernel=4.11-release_p3
FreeBSD Kernel=4.11-releng
FreeBSD Kernel=4.11-stable
FreeBSD Kernel=5.0
FreeBSD Kernel=5.0-alpha
FreeBSD Kernel=5.0-release_p14
FreeBSD Kernel=5.0-releng
FreeBSD Kernel=5.1
FreeBSD Kernel=5.1-alpha
FreeBSD Kernel=5.1-release
FreeBSD Kernel=5.1-release_p5
FreeBSD Kernel=5.1-releng
FreeBSD Kernel=5.2
FreeBSD Kernel=5.2.1-release
FreeBSD Kernel=5.2.1-releng
FreeBSD Kernel=5.3
FreeBSD Kernel=5.3-release
FreeBSD Kernel=5.3-releng
FreeBSD Kernel=5.3-stable
FreeBSD Kernel=5.4-pre-release
FreeBSD Kernel=5.4-release
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=2.1
Red Hat Enterprise Linux=3.0
Red Hat Enterprise Linux=3.0
Red Hat Enterprise Linux=3.0
Red Hat Enterprise Linux=4.0
Red Hat Enterprise Linux=4.0
Red Hat Enterprise Linux=4.0
Red Hat Enterprise Linux Desktop=3.0
Red Hat Enterprise Linux Desktop=4.0
Red Hat Fedora Core=core_3.0
SCO OpenServer=5.0.7
Xinuos UnixWare=7.1.3
Xinuos UnixWare=7.1.3_up
Xinuos UnixWare=7.1.4
Oracle Solaris and Zettabyte File System (ZFS)=7.0
Oracle Solaris and Zettabyte File System (ZFS)=8.0
Oracle Solaris and Zettabyte File System (ZFS)=9.0
Oracle Solaris and Zettabyte File System (ZFS)=9.0-x86_update_2
Oracle Solaris and Zettabyte File System (ZFS)=10.0
Ubuntu=4.1
Ubuntu=4.1
Ubuntu=5.04
Ubuntu=5.04
Ubuntu=5.04
FreeBSD Kernel=5.4-release

Remedy

http://securitytracker.com/id?1013967

Remedy

http://www.securityfocus.com/bid/12724

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2005-0109?

    CVE-2005-0109 has a severity rating that indicates a vulnerability allowing local users to exploit hyper-threading to access sensitive information.

  • How do I fix CVE-2005-0109?

    To mitigate CVE-2005-0109, it is recommended to disable hyper-threading in the BIOS settings or apply relevant patches provided by your operating system vendor.

  • What systems are affected by CVE-2005-0109?

    CVE-2005-0109 affects various versions of FreeBSD and Red Hat Enterprise Linux among others.

  • What risks does CVE-2005-0109 introduce?

    CVE-2005-0109 allows attackers to create covert channels, monitor thread execution, and potentially obtain sensitive information like cryptographic keys.

  • Is CVE-2005-0109 a remote or local vulnerability?

    CVE-2005-0109 is classified as a local vulnerability, requiring access to the affected system to exploit.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203