UPSTREAM: wifi: mac80211: fix crash in beacon protection for P2P-device
commit b2d03cab upstream. If beacon protection is active but the beacon cannot be decrypted or is otherwise malformed, we call the cfg80211 API to report this to userspace, but that uses a netdev pointer, which isn't present for P2P-Device. Fix this to call it only conditionally to ensure cfg80211 won't crash in the case of P2P-Device. This fixes CVE-2022-42722. Bug: 253642089 Bug: 256770696 Reported-by:Sönke Huster <shuster@seemoo.tu-darmstadt.de> Fixes: 9eaf183a ("mac80211: Report beacon protection failures to user space") Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Lee Jones <joneslee@google.com> Change-Id: Ie3336b950136e26debbe835f97ad450d03f6baad (cherry picked from commit 4bff4599)
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