{"cve":"CVE-2026-90166","nvd":{"published":"2026-09-17T17:17:09.980","modified":"2026-10-21T13:20:41.673","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()\n\nSee the procedure below:\n\n  ksmbd_tree_conn_connect\n    ksmbd_share_config_get\n      share->name = kstrdup() // fail\n      if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false\n      // do not check `share->name`\n    ksmbd_ipc_tree_connect_request\n      strlen(share->name) // null-ptr-deref","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/4eb74a34ea401abfbbd5991076715dae3de938df","https://git.kernel.org/stable/c/5ffd180307a5ea34dae7f90ff9573ebed6b7fb12","https://git.kernel.org/stable/c/7065d3648b1a48d2c49da3d6364dd3c4d503b10c","https://git.kernel.org/stable/c/8461f27902727ad434375caf13a0100aafc0340f","https://git.kernel.org/stable/c/d2ccf905f47d2344270749f4dfa905afcd3edeb0"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-90166","score":0.00209,"percentile":0.10948,"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."]}