{"id":"CVE-2023-54071","summary":"wifi: rtw88: use work to update rate to avoid RCU warning","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: use work to update rate to avoid RCU warning\n\nThe ieee80211_ops::sta_rc_update must be atomic, because\nieee80211_chan_bw_change() holds rcu_read lock while calling\ndrv_sta_rc_update(), so create a work to do original things.\n\n Voluntary context switch within RCU read-side critical section!\n WARNING: CPU: 0 PID: 4621 at kernel/rcu/tree_plugin.h:318\n rcu_note_context_switch+0x571/0x5d0\n CPU: 0 PID: 4621 Comm: kworker/u16:2 Tainted: G        W  OE\n Workqueue: phy3 ieee80211_chswitch_work [mac80211]\n RIP: 0010:rcu_note_context_switch+0x571/0x5d0\n Call Trace:\n  \u003cTASK\u003e\n  __schedule+0xb0/0x1460\n  ? __mod_timer+0x116/0x360\n  schedule+0x5a/0xc0\n  schedule_timeout+0x87/0x150\n  ? trace_raw_output_tick_stop+0x60/0x60\n  wait_for_completion_timeout+0x7b/0x140\n  usb_start_wait_urb+0x82/0x160 [usbcore\n  usb_control_msg+0xe3/0x140 [usbcore\n  rtw_usb_read+0x88/0xe0 [rtw_usb\n  rtw_usb_read8+0xf/0x10 [rtw_usb\n  rtw_fw_send_h2c_command+0xa0/0x170 [rtw_core\n  rtw_fw_send_ra_info+0xc9/0xf0 [rtw_core\n  drv_sta_rc_update+0x7c/0x160 [mac80211\n  ieee80211_chan_bw_change+0xfb/0x110 [mac80211\n  ieee80211_change_chanctx+0x38/0x130 [mac80211\n  ieee80211_vif_use_reserved_switch+0x34e/0x900 [mac80211\n  ieee80211_link_use_reserved_context+0x88/0xe0 [mac80211\n  ieee80211_chswitch_work+0x95/0x170 [mac80211\n  process_one_work+0x201/0x410\n  worker_thread+0x4a/0x3b0\n  ? process_one_work+0x410/0x410\n  kthread+0xe1/0x110\n  ? kthread_complete_and_exit+0x20/0x20\n  ret_from_fork+0x1f/0x30\n  \u003c/TASK\u003e","modified":"2026-03-20T12:33:25.978292Z","published":"2025-12-24T12:23:14.874Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54071.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/107677a8f43521e33e4a653e50fdf55ba622a4ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bcafcb959a57a6890e900199690c5fc47da1a304"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd3af22323e79a2ffabed366db20aab83716fe6f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54071.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54071"},{"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":"c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6"},{"fixed":"107677a8f43521e33e4a653e50fdf55ba622a4ce"},{"fixed":"dd3af22323e79a2ffabed366db20aab83716fe6f"},{"fixed":"bcafcb959a57a6890e900199690c5fc47da1a304"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54071.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"6.1.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54071.json"}}],"schema_version":"1.7.5"}