{"id":"CLEANSTART-2026-WY70417","summary":"logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem","details":"Security vulnerability affects the util-linux package. A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem.","modified":"2026-10-01T04:15:11.418231280Z","published":"2026-10-01T04:02:57.715551Z","upstream":["CVE-2021-3995"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WY70417.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-3995"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3995"}],"affected":[{"package":{"name":"util-linux","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.37.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WY70417.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}