CVE-2004-2136

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2004-02-19 · updated 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.

Affected products

Linux kernel: 2.6.0

References

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

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