{"cve":"CVE-2005-4351","nvd":{"published":"2005-12-31T05:00:00.000","modified":"2026-06-16T22:18:38.410","status":"Modified","description":"The securelevels implementation in FreeBSD 7.0 and earlier, OpenBSD up to 3.8, DragonFly up to 1.2, and Linux up to 2.6.15 allows root users to bypass immutable settings for files by mounting another filesystem that masks the immutable files while the system is running.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/openbsd/2005-10/1523.html","http://lists.grok.org.uk/pipermail/full-disclosure/2006-January/041177.html","http://www.redteam-pentesting.de/advisories/rt-sa-2005-015.txt","http://www.redteam-pentesting.de/advisories/rt-sa-2005-15.txt","https://exchange.xforce.ibmcloud.com/vulnerabilities/24037"],"products":["dragonfly:dragonfly","freebsd:freebsd","linux:linux_kernel","openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:40:09.211843075+00:00"},"epss":{"cve":"CVE-2005-4351","score":0.00426,"percentile":0.3688,"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."]}