What is CVE-2004-2135?

CVE-2004-2135 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10. CVE-2004-2135 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2004-2135?

CVE-2004-2135 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2004-2135?

No patch is currently available for CVE-2004-2135. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2004-2135 actively exploited?

CVE-2004-2135 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2004-2135

Low

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.

Package Linux Kernel

Published 2004-05-26

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

2.1

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

References

The following references provide additional information about CVE-2004-2135 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Marc
http://marc.info/?l=linux-kernel&m=107719798631935&w=2
Mareichelt
http://mareichelt.de/pub/notmine/diskenc.pdf
Securiteam
http://www.securiteam.com/exploits/5UP0P1PFPM.html

Exploit Vendor Advisory
Securityfocus
http://www.securityfocus.com/bid/13775

Exploit Vendor Advisory

Details

CVE ID CVE-2004-2135

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2004-05-26

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2004-2135?

CVE-2004-2135 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 . CVE-2004-2135 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2004-2135?

CVE-2004-2135 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2004-2135?

No patch is currently available for CVE-2004-2135. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2004-2135 actively exploited?

No — CVE-2004-2135 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.