CVE-2025-39732 - wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()

CVE-2025-39732 - wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()

https://cvefeed.io/rssfeed/latest.atom / Sun, 09/07/2025 - 20:38
CVE ID : CVE-2025-39732
Published : Sept. 7, 2025, 4:15 p.m. | 51 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask() ath11k_mac_disable_peer_fixed_rate() is passed as the iterator to ieee80211_iterate_stations_atomic(). Note in this case the iterator is required to be atomic, however ath11k_mac_disable_peer_fixed_rate() does not follow it as it might sleep. Consequently below warning is seen: BUG: sleeping function called from invalid context at wmi.c:304 Call Trace: dump_stack_lvl __might_resched.cold ath11k_wmi_cmd_send ath11k_wmi_set_peer_param ath11k_mac_disable_peer_fixed_rate ieee80211_iterate_stations_atomic ath11k_mac_op_set_bitrate_mask.cold Change to ieee80211_iterate_stations_mtx() to fix this issue. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30
Severity: 0.0 | NA
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