CVE-2004-2136: Linux Kernel

Low severity, CVSS 2.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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 Linux Kernel: version 2.6.0 only

Published 2004-02-19. Last modified 2026-06-16.