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CVE-2021-47091

mac80211: fix locking in ieee80211_start_ap error path

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix locking in ieee80211_start_ap error path We need to hold the local->mtx to release the channel context, as even encoded by the lockdep_assert_held() there. Fix it.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385chttps://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f