{"id":"CVE-2023-54071","revision":null,"records":[{"revision":"91c4f09a189f4270852c749c4c62d72e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54071","aliases":[],"title":"wifi: rtw88: use work to update rate to avoid RCU warning","description":"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 \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 ","state":0,"publishedAt":"2025-12-24T12:23:14.874+00:00","modifiedAt":"2026-10-15T21:41:38.954+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireless/realtek/rtw88/mac80211.c\",\n \"drivers/net/wireless/realtek/rtw88/main.c\",\n \"drivers/net/wireless/realtek/rtw88/main.h\"\n ],\n \"versions\": [\n {\n \"version\": \"c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6\",\n \"lessThan\": \"107677a8f43521e33e4a653e50fdf55ba622a4ce\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6\",\n \"lessThan\": \"dd3af22323e79a2ffabed366db20aab83716fe6f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6\",\n \"lessThan\": \"bcafcb959a57a6890e900199690c5fc47da1a304\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireless/realtek/rtw88/mac80211.c\",\n \"drivers/net/wireless/realtek/rtw88/main.c\",\n \"drivers/net/wireless/realtek/rtw88/main.h\"\n ],\n \"versions\": [\n {\n \"version\": \"5.19\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.19\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.30\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.3.4\",\n \"lessThanOrEqual\": \"6.3.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.4\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/107677a8f43521e33e4a653e50fdf55ba622a4ce","https://git.kernel.org/stable/c/dd3af22323e79a2ffabed366db20aab83716fe6f","https://git.kernel.org/stable/c/bcafcb959a57a6890e900199690c5fc47da1a304"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54071","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54071","identifiers":["CVE-2023-54071"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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