The MITRE CVE dictionary describes this issue as:
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.
Red Hat security errata
|Red Hat Enterprise Linux version 3 (kernel)||RHSA-2004:689||December 23, 2004|
|Red Hat Linux Advanced Workstation 2.1 (kernel)||RHSA-2004:504||December 13, 2004|
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