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CVE-2006-4813

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not...

2.1 Low

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

Exploit likelihood

0.41%Down 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.1

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

Record
CVE-2006-4813
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 __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

Record
CVE-2006-4813
Updated
2026-11-02
EUVDEUVD-2006-4800 No score

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

Record
EUVD-2006-4800
Updated
2026-11-03
GitHub AdvisoriesGHSA-7wcq-qxhh-mhv5 No score

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not...

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

Record
GHSA-7wcq-qxhh-mhv5
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel-source-2.6.8
Debian:3.1
From an advisory covering 9 CVEs
 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
Red Hat:enterprise_linux:4::as
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
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Affected packages
PackageAffectedFixed
kernel-smp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 15 CVEs
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::es
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL
kernel
Red Hat:enterprise_linux:4::ws
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 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
From an advisory covering 15 CVEs
 before 0:2.6.9-42.0.8.EL
0:2.6.9-42.0.8.EL

History

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

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

In short

CVE-2006-4813 is a low vulnerability (CVSS 2.1) in Linux Kernel, published October 12, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 36th percentile. No source names a fixed version.

References

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