{"cve":"CVE-2004-2135","nvd":{"published":"2004-05-26T04:00:00.000","modified":"2026-06-16T22:09:04.727","status":"Modified","description":"cryptoloop 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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"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://www.securityfocus.com/bid/13775","http://marc.info/?l=linux-kernel&m=107719798631935&w=2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-2135","score":0.01216,"percentile":0.68598,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}