{"id":"CVE-2025-23133","summary":"wifi: ath11k: update channel list in reg notifier instead reg worker","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: update channel list in reg notifier instead reg worker\n\nCurrently when ath11k gets a new channel list, it will be processed\naccording to the following steps:\n1. update new channel list to cfg80211 and queue reg_work.\n2. cfg80211 handles new channel list during reg_work.\n3. update cfg80211's handled channel list to firmware by\nath11k_reg_update_chan_list().\n\nBut ath11k will immediately execute step 3 after reg_work is just\nqueued. Since step 2 is asynchronous, cfg80211 may not have completed\nhandling the new channel list, which may leading to an out-of-bounds\nwrite error:\nBUG: KASAN: slab-out-of-bounds in ath11k_reg_update_chan_list\nCall Trace:\n    ath11k_reg_update_chan_list+0xbfe/0xfe0 [ath11k]\n    kfree+0x109/0x3a0\n    ath11k_regd_update+0x1cf/0x350 [ath11k]\n    ath11k_regd_update_work+0x14/0x20 [ath11k]\n    process_one_work+0xe35/0x14c0\n\nShould ensure step 2 is completely done before executing step 3. Thus\nWen raised patch[1]. When flag NL80211_REGDOM_SET_BY_DRIVER is set,\ncfg80211 will notify ath11k after step 2 is done.\n\nSo enable the flag NL80211_REGDOM_SET_BY_DRIVER then cfg80211 will\nnotify ath11k after step 2 is done. At this time, there will be no\nKASAN bug during the execution of the step 3.\n\n[1] https://patchwork.kernel.org/project/linux-wireless/patch/20230201065313.27203-1-quic_wgong@quicinc.com/\n\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3","modified":"2026-05-18T05:58:05.225780525Z","published":"2025-04-16T14:13:14.485Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20343-1","SUSE-SU-2025:20344-1","SUSE-SU-2025:20354-1","SUSE-SU-2025:20355-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23133.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/26618c039b78a76c373d4e02c5fbd52e3a73aead"},{"type":"WEB","url":"https://git.kernel.org/stable/c/933ab187e679e6fbdeea1835ae39efcc59c022d2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f952fb83c9c6f908d27500764c4aee1df04b9d3f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23133.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-23133"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f45cb6b29cd36514e13f7519770873d8c0457008"},{"fixed":"26618c039b78a76c373d4e02c5fbd52e3a73aead"},{"fixed":"f952fb83c9c6f908d27500764c4aee1df04b9d3f"},{"fixed":"933ab187e679e6fbdeea1835ae39efcc59c022d2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"f96fd36936310cefe0ea1370a9ae30e6746e6f62"},{"last_affected":"c97b120950b49d76bdce013bd4d9577d769465f4"}]}],"versions":["v6.0.8","v5.15.78","v6.0.7","v5.15.77","v6.0.6","v5.15.76","v5.15.75","v6.0.5","v6.0-rc1","v6.0.4","v5.15.74","v6.0.3","v6.0.2","v6.0","v6.0.1","v5.15.73","v5.15.72","v6.0-rc7","v5.15.71","v6.0-rc3","v6.0-rc2","v5.15.70","v6.0-rc6","v6.0-rc4","v6.0-rc5","v5.15.69","v5.15.68","v5.15.67","v5.15.66","v5.15.65","v5.15.64","v5.19","v5.15.63","v5.15.62","v5.15.61","v5.15.60","v5.19-rc1","v5.15.59","v5.15.58","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.15.57","v5.19-rc3","v5.15.56","v5.15.55","v5.19-rc4","v5.15.54","v5.15.53","v5.15.52","v5.15.51","v5.18-rc1","v5.15.50","v5.15.49","v5.15.48","v5.15.47","v5.15.46","v5.15.45","v5.15.44","v5.15.43","v5.18-rc7","v5.18-rc2","v5.15.42","v5.15.41","v5.15.40","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.15.39","v5.15.38","v5.15.37","v5.15.36","v5.15.35","v5.15.34","v5.15.33","v5.15.32","v5.17-rc6","v5.17-rc4","v5.15.31","v5.17-rc8","v5.17-rc7","v5.15.30","v5.17-rc1","v5.15.29","v5.17-rc3","v5.15.28","v5.17-rc2","v5.15.27","v5.15.26","v5.17-rc5","v5.16","v5.15.25","v5.15.24","v5.15.23","v5.15.22","v5.15.21","v5.15.20","v5.15.19","v5.15.18","v5.15.17","v5.15.16","v5.15.15","v5.16-rc1","v5.15.14","v5.16-rc8","v5.15.13","v5.16-rc5","v5.16-rc6","v5.15.12","v5.16-rc7","v5.15.11","v5.16-rc3","v5.16-rc2","v5.15.10","v5.15.9","v5.16-rc4","v5.15.8","v5.15.7","v5.15","v5.15.6","v5.15.5","v5.15.4","v5.15.3","v5.15.2","v5.15.1","v5.15-rc2","v5.15-rc1","v5.15-rc4","v5.15-rc7","v5.15-rc3","v5.15-rc5","v5.15-rc6","v5.14","v5.14-rc3","v5.14-rc1","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.13-rc1","v5.14-rc5","v5.14-rc4","v5.13","v5.13-rc6","v5.13-rc7","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.13-rc5","v5.12","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.12-rc8","v5.12-rc3","v5.12-rc7","v5.12-rc5","v5.12-rc6","v5.12-rc4","v5.10","v5.11","v5.11-rc3","v5.11-rc7","v5.11-rc6","v5.11-rc5","v5.11-rc1","v5.11-rc4","v5.11-rc2","v5.10-rc1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-rc7","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.9-rc3","v5.9-rc2","v5.8","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.8-rc5","v5.8-rc3","v5.8-rc4","v5.8-rc6","v5.7-rc4","v5.7-rc7","v5.7-rc1","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.7-rc6","v5.6","v5.6-rc1","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.5","v5.5-rc5","v5.5-rc7","v5.5-rc2","v5.5-rc1","v5.4","v5.5-rc4","v5.5-rc3","v5.5-rc6","v5.4-rc1","v5.4-rc6","v5.4-rc3","v5.4-rc4","v5.4-rc8","v5.4-rc7","v5.4-rc5","v5.3","v5.4-rc2","v5.3-rc5","v5.3-rc1","v5.3-rc2","v5.3-rc3","v5.3-rc8","v5.3-rc7","v5.3-rc4","v5.2","v5.3-rc6","v5.2-rc2","v5.2-rc7","v5.2-rc4","v5.2-rc1","v5.2-rc5","v5.2-rc6","v5.2-rc3","v5.1","v5.0-rc8","v5.1-rc7","v5.1-rc1","v5.1-rc6","v5.1-rc5","v5.0","v5.1-rc3","v5.1-rc2","v5.1-rc4","v5.0-rc1","v5.0-rc4","v5.0-rc3","v5.0-rc6","v5.0-rc7","v5.0-rc2","v5.0-rc5","v4.20-rc1","v4.19","v4.20","v4.20-rc7","v4.20-rc5","v4.20-rc6","v4.20-rc4","v4.20-rc2","v4.20-rc3","v4.19-rc2","v4.19-rc8","v4.19-rc4","v4.19-rc1","v4.19-rc7","v4.19-rc6","v4.19-rc5","v4.19-rc3","v4.18","v4.18-rc1","v4.18-rc8","v4.18-rc2","v4.18-rc5","v4.18-rc6","v4.18-rc7","v4.17","v4.18-rc3","v4.18-rc4","v4.17-rc1","v4.17-rc2","v4.17-rc7","v4.17-rc3","v4.17-rc4","v4.16","v4.17-rc6","v4.17-rc5","v4.16-rc7",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