{"id":"CVE-2021-47194","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncfg80211: call cfg80211_stop_ap when switch from P2P_GO type\n\nIf the userspace tools switch from NL80211_IFTYPE_P2P_GO to\nNL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), it\ndoes not call the cleanup cfg80211_stop_ap(), this leads to the\ninitialization of in-use data. For example, this path re-init the\nsdata-\u003eassigned_chanctx_list while it is still an element of\nassigned_vifs list, and makes that linked list corrupt.","modified":"2026-03-13T05:18:03.651510Z","published":"2024-04-10T19:15:47.807Z","related":["SUSE-SU-2024:1641-1","SUSE-SU-2024:1642-1","SUSE-SU-2024:1644-1","SUSE-SU-2024:1645-1","SUSE-SU-2024:1647-1","SUSE-SU-2024:1650-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1","SUSE-SU-2024:2892-1","SUSE-SU-2024:2901-1","SUSE-SU-2024:2940-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/7b97b5776daa0b39dbdadfea176f9cc0646d4a66"},{"type":"FIX","url":"https://git.kernel.org/stable/c/8f06bb8c216bcd172394f61e557727e691b4cb24"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b8a045e2a9b234cfbc06cf36923886164358ddec"},{"type":"FIX","url":"https://git.kernel.org/stable/c/0738cdb636c21ab552eaecf905efa4a6070e3ebc"},{"type":"FIX","url":"https://git.kernel.org/stable/c/4e458abbb4a523f1413bfe15c079cf4e24c15b21"},{"type":"FIX","url":"https://git.kernel.org/stable/c/52affc201fc22a1ab9a59ef0ed641a9adfcb8d13"},{"type":"FIX","url":"https://git.kernel.org/stable/c/563fbefed46ae4c1f70cffb8eb54c02df480b2c2"},{"type":"FIX","url":"https://git.kernel.org/stable/c/5a9b671c8d74a3e1b999e7a0c7f366079bcc93dd"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"3.6.0"},{"fixed":"4.4.293"}]},{"events":[{"introduced":"4.5.0"},{"fixed":"4.9.291"}]},{"events":[{"introduced":"4.10.0"},{"fixed":"4.14.256"}]},{"events":[{"introduced":"4.15.0"},{"fixed":"4.19.218"}]},{"events":[{"introduced":"4.20.0"},{"fixed":"5.4.162"}]},{"events":[{"introduced":"5.5.0"},{"fixed":"5.10.82"}]},{"events":[{"introduced":"5.11.0"},{"fixed":"5.15.5"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47194.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}