CVE-2004-2136 Information disclosure in n/a

What is CVE-2004-2136?

CVE-2004-2136 is a low-severity vulnerability in Linux kernel, published on 1 Jun 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2004-2136?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2004-2136?

No fix has been published for CVE-2004-2136 yet. Limit exposure of the affected software until one is available.

Is CVE-2004-2136 being exploited?

There is no known exploitation of CVE-2004-2136 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-67xp-vp73-mx8g.