{"cve":"CVE-2026-98891","nvd":{"published":"2026-10-23T12:18:22.967","modified":"2026-10-26T07:17:14.280","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: validate deauth frame length before reason access\n\nieee80211_rx_mgmt_deauth() reads the deauth reason code before checking\nthat the fixed field is actually present in the received frame.\n\nValidate the deauth frame length first and only then read the reason\ncode.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f","https://git.kernel.org/stable/c/51092dc769f021e9634474e1bd5a561da477fbdb","https://git.kernel.org/stable/c/7a5ef1fd654d0e90d59aa32c881789c8bcc4125a","https://git.kernel.org/stable/c/80d1a110e9096b5bf41497f6b151154084862385","https://git.kernel.org/stable/c/9df64ad43e1f2c036667bba2bf385e9d7b3af564"],"products":[],"source":"nvd","synced_at":"2026-10-26T07:33:01.631659812+00:00"},"epss":{"cve":"CVE-2026-98891","score":0.00179,"percentile":0.07396,"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."]}