{"id":"CVE-2026-90152","published":"2026-09-17T17:17:08.207","lastModified":"2026-09-17T17:17:08.207","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix session leak in ksmbd_session_register()\n\nSee the procedure below:\n\n  smb2_sess_setup\n    ksmbd_smb2_session_create\n      __session_create\n        atomic_set(&sess->refcnt, 2)\n        hash_add(sessions_table, &sess->hlist, sess->id)\n    ksmbd_session_register\n      xa_store(&conn->sessions, sess->id, sess) // fail\n    ksmbd_user_session_put\n      atomic_dec(&sess->refcnt) // refcnt is 1, session is not freed\n\nRemove the session from sessions_table and drop its table reference if\nxa_store() fails.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/03a22a003f41b182245e6c71fe565e277cff7094","tags":[]},{"url":"https://git.kernel.org/stable/c/55c677619084f9c9fa4146d933cc8ccafc924c87","tags":[]},{"url":"https://git.kernel.org/stable/c/99b25b046e47e4904373cfeb445c5483f1633d88","tags":[]},{"url":"https://git.kernel.org/stable/c/b967a595fb735d313a8676b2ca6a4cba38506482","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}