{"cve":"CVE-2026-90152","nvd":{"published":"2026-09-17T17:17:08.207","modified":"2026-10-21T13:20:40.730","status":"Received","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/03a22a003f41b182245e6c71fe565e277cff7094","https://git.kernel.org/stable/c/55c677619084f9c9fa4146d933cc8ccafc924c87","https://git.kernel.org/stable/c/988f99bfddda4e2d1da5f6e98b237dd85e123cee","https://git.kernel.org/stable/c/99b25b046e47e4904373cfeb445c5483f1633d88","https://git.kernel.org/stable/c/b967a595fb735d313a8676b2ca6a4cba38506482"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-90152","score":0.00209,"percentile":0.10936,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}