In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: clear link ID from bitmap during link delete after clean up Currently, during link deletion, the link ID is first removed from the validlinks bitmap before performing any clean-up operations. However, some functions require the link ID to remain in the validlinks bitmap. One such example is cfg80211cacevent(). The flow is - nl80211removelink() cfg80211removelink() ieee80211delintflink() ieee80211vifsetlinks() ieee80211vifupdatelinks() ieee80211linkstop() cfg80211cacevent() cfg80211cacevent() requires link ID to be present but it is cleared already in cfg80211removelink(). Ultimately, WARNON() is hit. Therefore, clear the link ID from the bitmap only after completing the link clean-up.