{"id":"CVE-2026-53614","summary":"util-linux LIBMOUNT_FORCE_MOUNT2 allows nosuid and noexec bypass","details":"util-linux is a random collection of Linux utilities. In util-linux 2.39.1 through 2.41.4 and 2.42 through 2.42.1, the SUID `mount` utility reads the attacker-controlled `LIBMOUNT_FORCE_MOUNT2` environment variable with `getenv()`, allowing a local low-privileged\nuser to force the non-atomic legacy bind-mount path. With an `/etc/fstab` bind mount authorized by `user` or `users` and protected by `nosuid`, `noexec`, or `nodev`, an attacker can race the window between the initial bind mount and the remount that applies those security flags and execute a SUID program from the temporarily unprotected mount, potentially gaining root privileges. This issue is fixed in 2.41.5 and 2.42.2.","aliases":["GHSA-67r7-8m5w-22wx"],"modified":"2026-10-15T02:47:39.815735834Z","published":"2026-10-14T15:40:53.674Z","related":["SUSE-SU-2026:23250-1","SUSE-SU-2026:23255-1","SUSE-SU-2026:23861-1","SUSE-SU-2026:23870-1","SUSE-SU-2026:23884-1","SUSE-SU-2026:3684-1","SUSE-SU-2026:3685-1","openSUSE-SU-2026:11408-1","openSUSE-SU-2026:21905-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53614.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-269","CWE-807"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53614.json"},{"type":"FIX","url":"https://github.com/util-linux/util-linux/commit/31e37c1c7dcf25b76ccf41391fe934a75644c661"},{"type":"FIX","url":"https://github.com/util-linux/util-linux/commit/53ff0fcdab12d69c60c971c69a3d0d173fa46ca9"},{"type":"FIX","url":"https://github.com/util-linux/util-linux/commit/9cbfb823500f510b34767edabd3ffd5b436987b4"},{"type":"FIX","url":"https://github.com/util-linux/util-linux/commit/cc81bbcec598cb91f0eb8456282f33eed820ed5f"},{"type":"FIX","url":"https://github.com/util-linux/util-linux/commit/fd6b4d94ff013dc7ed680d4e864610da5b9751f1"},{"type":"WEB","url":"https://github.com/util-linux/util-linux/releases/tag/v2.41.5"},{"type":"WEB","url":"https://github.com/util-linux/util-linux/releases/tag/v2.42.2"},{"type":"ADVISORY","url":"https://github.com/util-linux/util-linux/security/advisories/GHSA-67r7-8m5w-22wx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53614"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/util-linux/util-linux","events":[{"introduced":"e98ef85a8f934bccac2b984422a40f92955ac97d"},{"fixed":"230de59ffbee328506d92d3534e66d56de1afe5d"},{"introduced":"0a7dfc376192e8fb1e7bdb2d0c90d8b9b173a42b"},{"fixed":"f44509230b9f8224993b8c6157f85888359a64e1"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.39.1"},{"fixed":"2.41.5"},{"introduced":"2.42"},{"fixed":"2.42.2"}]}}],"versions":["v2.41.4","v2.42.1","v2.42","v2.42-rc2","v2.42-rc1","v2.41.3","v2.41.2","v2.41.2-rc1","v2.41.1","v2.41","v2.41-rc2","v2.41-rc1","v2.42-start"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53614.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}