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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"…
Low2.1EPSS 0.52%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (3)
- http://mareichelt.de/pub/notmine/diskenc.pdf (opens in a new tab)x_refsource_MISCx_transferred
- http://www.securiteam.com/exploits/5UP0P1PFPM.html (opens in a new tab)x_refsource_MISCx_transferred
- [linux-kernel] 20040219 Re: Oopsing cryptoapi (or loop device?) on 2.6.* (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2004-2136)Record last updated .