CVE-2026-90152 in Linux
要約
〜によって MITRE • 2026年09月17日
In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix session leak in ksmbd_session_register()
See the procedure below:
smb2_sess_setup ksmbd_smb2_session_create __session_create atomic_set(&sess->refcnt, 2) hash_add(sessions_table, &sess->hlist, sess->id) ksmbd_session_register xa_store(&conn->sessions, sess->id, sess) // fail ksmbd_user_session_put atomic_dec(&sess->refcnt) // refcnt is 1, session is not freed
Remove the session from sessions_table and drop its table reference if xa_store() fails.
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