CVE-2006-0456

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect...

2.1 Low

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a denial of service via unknown vectors.

Exploit likelihood

0.41%Down 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a denial of service via unknown vectors.

Record: CVE-2006-0456
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a denial of service via unknown vectors.

Record: CVE-2006-0456
Updated: 2026-11-02

EUVDEUVD-2006-0463 No score

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a denial of service via unknown vectors.

Record: EUVD-2006-0463
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hh5q-529x-q322 No score

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect...

The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a denial of service via unknown vectors.

Record: GHSA-hh5q-529x-q322
Updated: 2026-11-02

Affected products

linux kernel

Affected packages

Affected packages
Package	Affected	Fixed
`kernel-source-2.6.8` Debian:3.1 From an advisory covering 24 CVEs	before 2.6.8-16sarge3, plus listed versions 2.6.8-162.6.8-16sarge12.6.8-16sarge2	2.6.8-16sarge3
`kernel` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-devel` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-doc` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL

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Affected packages
Package	Affected	Fixed
`kernel-smp-devel` Red Hat:enterprise_linux:4::as From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-doc` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-devel` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-doc` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::es From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-doc` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 15 CVEs	before 0:2.6.9-42.EL	0:2.6.9-42.EL

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2006-0456 is a low vulnerability (CVSS 2.1) in Linux Kernel, published June 27, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.

References

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This page doesn't list everything

Left out here: 27 references. The JSON record has them.