{"cve":"CVE-2023-53153","nvd":{"published":"2025-09-15T14:15:37.860","modified":"2026-06-17T06:44:23.960","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: Fix use after free for wext\n\nKey information in wext.connect is not reset on (re)connect and can hold\ndata from a previous connection.\n\nReset key data to avoid that drivers or mac80211 incorrectly detect a\nWEP connection request and access the freed or already reused memory.\n\nAdditionally optimize cfg80211_sme_connect() and avoid an useless\nschedule of conn_work.","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/015b8cc5e7c4d7bb671f1984d7b7338c310b185b","https://git.kernel.org/stable/c/22dfb21bf1cd876616d45cda1bc6daa89eec6747","https://git.kernel.org/stable/c/2cfe78619b0de6d2da773978bc2d22797212eaa7","https://git.kernel.org/stable/c/66af4a2ab1d65d556d638cb9555a3b823c2557a9","https://git.kernel.org/stable/c/6f1959c17d4cb5b74af6fc31dc787e1dc3e4f6e2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2023-53153","score":0.00164,"percentile":0.05558,"date":"2026-11-01"},"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."]}