CVE-2005-0109
Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 49 days later
· 49 days later
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.6 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.51% · top 56% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.6.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (17)
- VU#911878 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 18165 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754 (opens in a new tab)x_refsource_MISCx_transferred
- [freebsd-hackers] 20050304 Re: FW:FreeBSD hiding security stuff (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- oval:org.mitre.oval:def:9747 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2005-3002 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 15348 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 12724 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [freebsd-security] 20050304 [Fwd: Re: FW:FreeBSD hiding security stuff] (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2005:476 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1013967 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2005-0540 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.daemonology.net/papers/htt.pdf (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2005:800 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.daemonology.net/hyperthreading-considered-harmful/ (opens in a new tab)x_refsource_MISCx_transferred
- 101739 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- [openbsd-misc] 20050304 Re: FreeBSD hiding security stuff (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-0109)Record last updated .