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CVE-2004-2135

cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...

2.1 LowPublic exploit

cryptoloop 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.

Exploit likelihood

1.22%Down 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.1

cryptoloop 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.

Record
CVE-2004-2135
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

cryptoloop 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.

Record
CVE-2004-2135
Updated
2026-11-02
EUVDEUVD-2004-2127 No score

cryptoloop 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.

Record
EUVD-2004-2127
Updated
2026-11-03
GitHub AdvisoriesGHSA-jm3c-v8x2-4v8r No score

cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...

cryptoloop 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.

Record
GHSA-jm3c-v8x2-4v8r
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBLinux Kernel 2.6.x - Cryptoloop Information Disclosure2005-05-26

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

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

In short

CVE-2004-2135 is a low vulnerability (CVSS 2.1) in Linux Kernel, published May 26, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. No source names a fixed version.

References

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