{"cve":"CVE-2026-89636","nvd":{"published":"2026-09-11T20:19:49.243","modified":"2026-10-19T09:18:00.640","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: clear ce->tgthint in free_tgts()\n\nWhen free_tgts() frees all structures in ce->tlist, ce->tgthint\nis left pointing to one of the freed cache_dfs_tgt structures.\n\nIf ce->tgthint is not reset before it is used later, it results\nin a use-after-free.\n\nSet ce->tgthint to NULL in free_tgts() after the elements are\nfreed to reflect that no elements remain.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://git.kernel.org/stable/c/14f60e959b5ac813715ff72e127beb3584ddabf6","https://git.kernel.org/stable/c/3ff9462bb7a06d8d32a1dc02d39580b078ec9e55","https://git.kernel.org/stable/c/5baab40404a9393bcc0b7b8f1950bf2c307e0984","https://git.kernel.org/stable/c/7507bd1885643d0461a6017767492450af1ce2a3","https://git.kernel.org/stable/c/9ab46a13798a61d9d020b01d4e57efdabe6624fa"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-89636","score":0.00663,"percentile":0.51399,"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."]}