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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, which allows local users to read register values of other processes by setting the MFH bit.

    Published:May 28, 2004
    Last Modified:Apr 16, 2026
    EPS:Jul 8, 2004
    EPSS Score:0.00107
    CVSS Score:2.1

    Affected Products

    Vendor
    Gentoo
    Product
    Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Mandrakesoft
    Product
    Mandrake Linux
    Vendor
    Mandrakesoft
    Product
    Mandrake Linux Corporate Server
    Vendor
    Mandrakesoft
    Product
    Mandrake Multi Network Firewall
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Trustix
    Product
    Secure Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://archives.neohapsis.com/archives/linux/owl/2004-q2/0038.html
    http://secunia.com/advisories/20162
    http://secunia.com/advisories/20163
    http://secunia.com/advisories/20202
    http://secunia.com/advisories/20338
    http://www.debian.org/security/2006/dsa-1067
    http://www.debian.org/security/2006/dsa-1069
    http://www.debian.org/security/2006/dsa-1070
    http://www.debian.org/security/2006/dsa-1082
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:066
    http://www.redhat.com/support/errata/RHSA-2004-504.html
    http://www.securityfocus.com/bid/10687
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124734
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16644
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10714
    http://archives.neohapsis.com/archives/linux/owl/2004-q2/0038.html
    http://secunia.com/advisories/20162
    http://secunia.com/advisories/20163
    http://secunia.com/advisories/20202
    http://secunia.com/advisories/20338
    http://www.debian.org/security/2006/dsa-1067
    http://www.debian.org/security/2006/dsa-1069
    http://www.debian.org/security/2006/dsa-1070
    http://www.debian.org/security/2006/dsa-1082
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:066
    http://www.redhat.com/support/errata/RHSA-2004-504.html
    http://www.securityfocus.com/bid/10687
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124734
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16644
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10714

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High