kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c

A flaw was found in the Linux kernel, where it is possible to modify read-only files due to a missing permission check. This flaw can lead to local privilege escalation...

kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c

A flaw was found in the Linux kernel, where it is possible to modify read-only files due to a missing permission check. This flaw can lead to local privilege escalation...

[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...

BSDI BSDOS 4.0 FreeBSD 3.2 NetBSD 1.4 x86 OpenBSD 2.5 - UFS Secure Level 1

BSDI BSDOS 4.0 FreeBSD 3.2 NetBSD 1.4 x86 OpenBSD 2.5 - UFS Secure Level 1 source: https://www.securityfocus.com/bid/510/info In 4.4BSD derivatives there are four secure levels that provide for added filesystem security among other things over and above the regular unix permission systems. Part o...