How severe is CVE-2004-2136?

CVE-2004-2136 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2004-2136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2136?

CVE-2004-2136 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-2136?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-2136 published?

CVE-2004-2136 was published on 2004-02-19 and last updated on 2026-06-16.

CVE-2004-2136

CVE-2004-2136 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 2004-02-19
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2004-2136?: 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.
How severe is CVE-2004-2136?: CVE-2004-2136 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2004-2136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2136?: CVE-2004-2136 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2136 published?: CVE-2004-2136 was published on 2004-02-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*

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