[Full-disclosure] BSD Securelevels: Circumventing protection of files flagged immutable

Advisory: BSD Securelevels: Circumventing protection of files flagged immutable By mounting an arbitrary filesystem, it is possible to mask files flagged immutable with any user-defined files. Details ======= Product: FreeBSD up to 6.0-STABLE and 7.0-CURRENT OpenBSD up to 3.8 DragonFly up to 1.2...