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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...

2.1 Low

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.

Exploit likelihood

0.44%Down 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used2.1

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.

Record
CVE-2004-0565
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2004-0565
Updated
2026-11-02
EUVDEUVD-2004-0564No score

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.

Record
EUVD-2004-0564
Updated
2026-11-03
GitHub AdvisoriesGHSA-g33f-v4ch-cw4gNo score

Floating point information leak in the context switch code for Linux 2.4.x only checks the MFH...

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.

Record
GHSA-g33f-v4ch-cw4g
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel-source-2.4.16
Debian:3.0
From an advisory covering 30 CVEs
before 2.4.16-1woody2
2.4.16-1woody2
kernel-source-2.4.18
Debian:3.0
From an advisory covering 29 CVEs
before 2.4.18-14.4, plus listed versions
2.4.18-14.3
2.4.18-14.4
kernel-image-sparc-2.4
Debian:3.0
From an advisory covering 30 CVEs
before 26woody1, plus listed versions
26
26woody1
kernel-patch-2.4.19-mips
Debian:3.0
From an advisory covering 30 CVEs
before 2.4.19-0.020911.1.woody5, plus listed versions
2.4.19-0.020911.1.woody4
2.4.19-0.020911.1.woody5
kernel-source-2.4.19
Debian:3.0
From an advisory covering 30 CVEs
before 2.4.19-4.woody3, plus listed versions
2.4.19-4.woody2
2.4.19-4.woody3
kernel-source-2.4.17
Debian:3.0
From an advisory covering 30 CVEs
before 2.4.17-1woody4, plus listed versions
2.4.17-1woody3
2.4.17-1woody4
kernel
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
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Affected packages
PackageAffectedFixed
kernel-hugemem
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:2.4.21-27.0.1.EL
0:2.4.21-27.0.1.EL

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0565 is a low vulnerability (CVSS 2.1) in Gentoo Linux, published July 8, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 39th percentile. No source names a fixed version.

References

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