CVE-2023-52798 wifi: ath11k: fix dfs radar event locking

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11kmacgetarbypdevid was not marked as a read-side critical section. Mark the code in question...

CVE-2023-52798

CVE-2023-52798 concerns the Linux kernel’s ath11k wifi DFS radar event handling. The fix marks the DFS radar event locking code (calling ath11k_mac_get_ar_by_pdev_id()) as an RCU read-side critical section to prevent potential use-after-free in active pdev protection. Document notes indicate comp...