{"id":"CVE-2025-40203","summary":"listmount: don't call path_put() under namespace semaphore","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nlistmount: don't call path_put() under namespace semaphore\n\nMassage listmount() and make sure we don't call path_put() under the\nnamespace semaphore. If we put the last reference we're fscked.","modified":"2026-03-20T12:43:13.278832Z","published":"2025-11-12T21:56:34.801Z","related":["SUSE-SU-2026:20012-1","SUSE-SU-2026:20015-1","SUSE-SU-2026:20021-1","openSUSE-SU-2025:20172-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40203.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/659874b7ee4976ad9ce476e07fd36bc67b3537f1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c80da26fda2fdcaac7f92b5908875b3108830ff"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40203.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40203"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d"},{"fixed":"659874b7ee4976ad9ce476e07fd36bc67b3537f1"},{"fixed":"9c80da26fda2fdcaac7f92b5908875b3108830ff"},{"fixed":"c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40203.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"6.12.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40203.json"}}],"schema_version":"1.7.5"}