{"schema_version":"1.9.0","id":"CVE-2023-53153","published":"2025-09-15T14:03:21.590Z","modified":"2026-08-12T03:51:31.581179686Z","related":["SUSE-SU-2025:03614-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03628-1","SUSE-SU-2025:3716-1","SUSE-SU-2025:3761-1"],"summary":"wifi: cfg80211: Fix use after free for wext","details":"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"fffd0934b9390f34bec45762192b7edd3b12b4b5"},{"fixed":"66af4a2ab1d65d556d638cb9555a3b823c2557a9"},{"fixed":"a2a92b3e9d8e03ee3f9ee407fc46a9b4bd02d8b6"},{"fixed":"6f1959c17d4cb5b74af6fc31dc787e1dc3e4f6e2"},{"fixed":"2cfe78619b0de6d2da773978bc2d22797212eaa7"},{"fixed":"fd081afd21eb35b968b0330700c43ec94986e1c4"},{"fixed":"22dfb21bf1cd876616d45cda1bc6daa89eec6747"},{"fixed":"f4b6a138efb8a32507b8946104e32cb926308da7"},{"fixed":"015b8cc5e7c4d7bb671f1984d7b7338c310b185b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53153.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.32"},{"fixed":"4.14.308"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.276"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.235"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.173"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.99"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53153.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/015b8cc5e7c4d7bb671f1984d7b7338c310b185b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/22dfb21bf1cd876616d45cda1bc6daa89eec6747"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2cfe78619b0de6d2da773978bc2d22797212eaa7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66af4a2ab1d65d556d638cb9555a3b823c2557a9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f1959c17d4cb5b74af6fc31dc787e1dc3e4f6e2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a2a92b3e9d8e03ee3f9ee407fc46a9b4bd02d8b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4b6a138efb8a32507b8946104e32cb926308da7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd081afd21eb35b968b0330700c43ec94986e1c4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53153.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53153"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53153.json"}}