{"id":"CVE-2004-2136","aliases":["EUVD-2004-2128","GHSA-67xp-vp73-mx8g"],"status":"published","title":"dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...","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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00517,"percentile":0.44243,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-02-19T05:00:00Z","modified":"2026-06-16T22:09:04Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://mareichelt.de/pub/notmine/diskenc.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securiteam.com/exploits/5UP0P1PFPM.html","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://marc.info/?l=linux-kernel\u0026m=107719798631935\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2136"},{"url":"https://github.com/advisories/GHSA-67xp-vp73-mx8g"}],"sources":{"cve":[{"id":"CVE-2004-2136","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.","status":"published","published":"2005-06-01T04:00:00Z","modified":"2024-08-08T01:15:01.6Z","updated_at":"2026-11-02T14:34:53.70484Z"}],"euvd":[{"id":"EUVD-2004-2128","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.","status":"published","published":"2005-06-01T04:00:00Z","modified":"2024-08-08T01:15:01Z","updated_at":"2026-11-03T01:15:11.805898Z"}],"ghsa":[{"id":"GHSA-67xp-vp73-mx8g","title":"dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...","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.","status":"published","published":"2022-04-29T03:00:52Z","modified":"2023-01-30T05:04:01Z","updated_at":"2026-11-02T14:46:57.494982Z"}],"nvd":[{"id":"CVE-2004-2136","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.","status":"published","published":"2004-02-19T05:00:00Z","modified":"2026-06-16T22:09:04.86Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:49.729639Z"}]}}