util-linux 2.42.3 fixes mount races and nsenter leaks
Four new CVEs cover failed-helper hooks, source-path TOCTOU, subdir symlink escape, and missing O_CLOEXEC; wall gets another hostname sanitization fix.
By tarpit#mount
util-linux 2.41.6 fixes three CVEs in mount, nsenter, unshare
The point release stops failed mount helpers from still running privileged post-mount hooks, closes a local TOCTOU on source paths, and seals fd leaks plus a leftover wall/write hostname injection.
By kexec