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CVE-2004-0565
Floating point information leak in the context switch code for Linux 2.4.x only checks the MFH bit but does not verify the FPH owner,…
Low2.1EPSS 0.44%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Floating point information leak in the context switch code for Linux 2.4.x only checks the MFH bit but does not verify the FPH owner, which allows local users to read register values of other processes by setting the MFH bit.
Timeline
ID reserved
By mitre
- 23 days later
· 23 days later
Published
- 20 years later
· 20 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 | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.44% · top 61% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (15)
- 20163 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [owl-users] 20040619 Linux 2.4.26-ow2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-1082 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-1070 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20162 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:10714 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- DSA-1067 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-1069 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 10687 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124734 (opens in a new tab)x_refsource_MISCx_transferred
- MDKSA-2004:066 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- 20202 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2004:504 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- linux-ia64-info-disclosure(16644) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20338 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2004-0565)Record last updated .