{"cve":"CVE-2025-68817","nvd":{"published":"2026-01-13T16:16:03.983","modified":"2026-07-30T06:24:47.250","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21","https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbea","https://git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01","https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926","https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:19:41.481987139+00:00"},"epss":{"cve":"CVE-2025-68817","score":0.00448,"percentile":0.3894,"date":"2026-10-31"},"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."]}