{"cve":"CVE-2026-93802","nvd":{"published":"2026-09-24T17:17:13.127","modified":"2026-10-03T11:17:49.843","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: validate beacon length before fixed buffer copy\n\nrsi_prepare_beacon() copies the mac80211 beacon frame after\nFRAME_DESC_SZ into a management skb whose usable tailroom may be smaller\nthan MAX_MGMT_PKT_SIZE after alignment.\n\nValidate the beacon length against the actual tailroom before the copy\nand skb_put(). Leave ownership of the management skb with the caller on\nerror, matching the existing rsi_send_beacon() cleanup path.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/266f195d5a14eec6c482fd09fbc924584c3371a7","https://git.kernel.org/stable/c/66a964432b2758a4cf69962366e37581d6e70632","https://git.kernel.org/stable/c/795ba65f46fe44061f1195951c122cc8ec685d44","https://git.kernel.org/stable/c/7f99742c3c2801f8033d8b7a0a58254d7f24fb1e","https://git.kernel.org/stable/c/87710ad633ce4588aec88611d0d0745eb33a6991"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-93802","score":0.00173,"percentile":0.06629,"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."]}