{"id":"CVE-2025-39732","title":"wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()\n\nath11k_mac_disable_peer_fixed_rate() is passed as the iterator to\nieee80211_iterate_stations_a…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 1f45a710c82b29d4c501b1cb472dff68d59ecc8c","Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 9c0e3144924c7db701575a73af341d33184afeaf","Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 7d4d0db0dc9424de2bdc0b45e919e4892603356f","Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 6bdef22d540258ca06f079f7b6ae100669a19b47","Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 65c12b104cb942d588a1a093acc4537fb3d3b129","Linux 5.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:53:50.418566Z"},"published":"2025-09-07","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:37:18.108Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-39732","references":[{"url":"https://git.kernel.org/stable/c/1f45a710c82b29d4c501b1cb472dff68d59ecc8c"},{"url":"https://git.kernel.org/stable/c/9c0e3144924c7db701575a73af341d33184afeaf"},{"url":"https://git.kernel.org/stable/c/7d4d0db0dc9424de2bdc0b45e919e4892603356f"},{"url":"https://git.kernel.org/stable/c/6bdef22d540258ca06f079f7b6ae100669a19b47"},{"url":"https://git.kernel.org/stable/c/65c12b104cb942d588a1a093acc4537fb3d3b129"}],"tags":["cve.org"],"epss":0.00199,"epssPercentile":0.09682,"ingestedAt":"2026-10-15T22:48:25.522Z","slug":"CVE-2025-39732","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()\n\nath11k_mac_disable_peer_fixed_rate() is passed as the iterator to\nieee80211_iterate_stations_atomic(). Note in this case the iterator is\nrequired to be atomic, however ath11k_mac_disable_peer_fixed_rate() does\nnot follow it as it might sleep. Consequently below warning is seen:\n\nBUG: sleeping function called from invalid context at wmi.c:304\nCall Trace:\n <TASK>\n dump_stack_lvl\n __might_resched.cold\n ath11k_wmi_cmd_send\n ath11k_wmi_set_peer_param\n ath11k_mac_disable_peer_fixed_rate\n ieee80211_iterate_stations_atomic\n ath11k_mac_op_set_bitrate_mask.cold\n\nChange to ieee80211_iterate_stations_mtx() to fix this issue.\n\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30\n\n## Affected\n\n- `Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 1f45a710c82b29d4c501b1cb472dff68d59ecc8c`\n- `Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 9c0e3144924c7db701575a73af341d33184afeaf`\n- `Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 7d4d0db0dc9424de2bdc0b45e919e4892603356f`\n- `Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 6bdef22d540258ca06f079f7b6ae100669a19b47`\n- `Linux >= d5c65159f2895379e11ca13f62feabe93278985d < 65c12b104cb942d588a1a093acc4537fb3d3b129`\n- `Linux 5.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}