CVE-2021-47194

In the Linux kernel, the following vulnerability has been resolved: cfg80211: call cfg80211_stop_ap when switch from P2P_GO type If the userspace tools switch from NL80211_IFTYPE_P2P_GO to NL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), it does not call the cleanup cfg80211_stop_ap(), this leads to the initialization of in-use data. For example, this path re-init the sdata->assigned_chanctx_list while it is still an element of assigned_vifs list, and makes that linked list corrupt.

The following products are affected by CVE-2021-47194 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47194.

URL	Resource
https://git.kernel.org/stable/c/0738cdb636c21ab552eaecf905efa4a6070e3ebc
https://git.kernel.org/stable/c/4e458abbb4a523f1413bfe15c079cf4e24c15b21
https://git.kernel.org/stable/c/52affc201fc22a1ab9a59ef0ed641a9adfcb8d13
https://git.kernel.org/stable/c/563fbefed46ae4c1f70cffb8eb54c02df480b2c2
https://git.kernel.org/stable/c/5a9b671c8d74a3e1b999e7a0c7f366079bcc93dd
https://git.kernel.org/stable/c/7b97b5776daa0b39dbdadfea176f9cc0646d4a66
https://git.kernel.org/stable/c/8f06bb8c216bcd172394f61e557727e691b4cb24
https://git.kernel.org/stable/c/b8a045e2a9b234cfbc06cf36923886164358ddec
https://lore.kernel.org/linux-cve-announce/2024041035-CVE-2021-47194-51cd@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47194
https://www.cve.org/CVERecord?id=CVE-2021-47194