In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the chandef state, that's a simple check.
https://git.kernel.org/stable/c/d7b0fe3487d203c04ee1bda91a63bd4dd398c350
https://git.kernel.org/stable/c/abc76cf552e13cfa88a204b362a86b0e08e95228
https://git.kernel.org/stable/c/94332210902967b7d63294b43428c8ed075b20e6