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CVE-2004-2136

2.1 · LOW

dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without decr…

Published Feb 19, 2004linuxEPSS 0.52%

Overview

CVE-2004-2136 is a low-severity vulnerability affecting linux linux_kernel. It was published on February 19, 2004 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without decryption.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refmarc.info/?l=linux-kernel&m=107719798631935&w=2Refmareichelt.de/pub/notmine/diskenc.pdfRefwww.securiteam.com/exploits/5UP0P1PFPM.htmlRefmarc.info/?l=linux-kernel&m=107719798631935&w=2Refmareichelt.de/pub/notmine/diskenc.pdfRefwww.securiteam.com/exploits/5UP0P1PFPM.html

How CyberStrike helps

Frequently asked questions

What is CVE-2004-2136?

CVE-2004-2136 is a low-severity vulnerability affecting linux linux_kernel. It was published on February 19, 2004 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2004-2136?

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2004-2136?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2004-2136?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-2136 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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