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CVE-2006-5174

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when...

2.1 LowFix available

CVE-2006-5174 is a low vulnerability (CVSS 2.1) in Linux Kernel, published October 5, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in kernel-source-2.6.8 2.6.8-16sarge6.

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Exploit likelihood

0.43%Down 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.1

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Record
CVE-2006-5174
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Record
CVE-2006-5174
Updated
2026-11-02
EUVDEUVD-2006-5159 No score

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Record
EUVD-2006-5159
Updated
2026-11-03
GitHub AdvisoriesGHSA-r626-xmvv-2wm6 No score

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when...

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Record
GHSA-r626-xmvv-2wm6
Updated
2026-11-02
OSVBELL-CVE-2006-5174 2.1

CVE-2006-5174 does not affect BellSoft software

Record
BELL-CVE-2006-5174
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel-source-2.6.8
Debian:3.1
 before 2.6.8-16sarge6, plus listed versions
2.6.8-162.6.8-16sarge12.6.8-16sarge22.6.8-16sarge32.6.8-16sarge42.6.8-16sarge5
2.6.8-16sarge6
kernel-source-2.4.27
Debian:3.1
 before 2.4.27-10sarge5, plus listed versions
2.4.27-102.4.27-10sarge12.4.27-10sarge22.4.27-10sarge32.4.27-10sarge4
2.4.27-10sarge5
kernel
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
Show 72 moreShow less
Affected packages
PackageAffectedFixed
kernel-source
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::as
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::desktop
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::es
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-BOOT
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-doc
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-hugemem-unsupported
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-smp-unsupported
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-source
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel-unsupported
Red Hat:enterprise_linux:3::ws
 before 0:2.4.21-47.0.1.EL
0:2.4.21-47.0.1.EL
kernel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-doc
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-doc
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL

History

History
WhenChangedSources
2026-11-03affected
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

Show 127 moreShow less
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