CVE-2022-49123

Summary

CVE-2022-49123 is a vulnerability affecting the Linux kernel that involves a failure in the ath11k driver to flush mgmt frames due to a deadlock in the wmi_mgmt_tx_work function. This issue causes warnings related to failed attempts to flush mgmt transmit queues and results in dropped frames. Increasing the hung_task_timeout_secs and ATH11K_FLUSH_TIMEOUT values allows the system to detect and handle the blocked task, but it does not resolve the underlying vulnerability. The call stack indicates that the issue is related to the ieee80211_vif_release_channel function in the mac80211 driver.

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