{"id":"CVE-2025-68817","summary":"ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency\n\nUnder high concurrency, A tree-connection object (tcon) is freed on\na disconnect path while another path still holds a reference and later\nexecutes *_put()/write on it.","modified":"2026-04-16T04:44:33.282497182Z","published":"2026-01-13T15:29:21.210Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68817.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68817.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68817"},{"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":"dd45db4d9bbc8f122a9b4db5ce94ae29fcf03d3c"},{"fixed":"446beed646b2e426dd53d27358365f8678e1dd01"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7b58ee8d0b91359554cf219cd4f33872ea2afd66"},{"fixed":"d092de8a26c952379ded8e6b0bda31d89befac1a"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"33b235a6e6ebe0f05f3586a71e8d281d00f71e2e"},{"fixed":"d64977495e44855f2b28d8ce56107c963a7a50e4"},{"fixed":"21a3d01fc6db5129f81edb0ab7cb94fd758bcbea"},{"fixed":"063cbbc6f595ea36ad146e1b7d2af820894beb21"},{"fixed":"b39a1833cc4a2755b02603eec3a71a85e9dff926"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68817.json"}}],"schema_version":"1.7.5"}