CVE-2006-4813

2.1 LOW 0.4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2006-10-12 20:07 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:29 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 2.1 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2006-10-12 20:07 UTC
Last modified: 2026-06-16 22:29 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Record status: Modified

Affected

Linux Kernel 2.6.0
Linux Kernel 2.6.1
Linux Kernel 2.6.2
Linux Kernel 2.6.3
Linux Kernel 2.6.4
Linux Kernel 2.6.5
Linux Kernel 2.6.6
Linux Kernel 2.6.7

Attack profile CVSS 2.0 · 2.1

Attack vector: Local
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: None
Availability: None

Raw vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-4813.md and follow it. Check whether this project is affected by CVE-2006-4813. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record