Answer in brief
CVE-2023-54071 records a High severity (CVSS 8.8) vulnerability in wifi: rtw88: use work to update rate to avoid RCU warning. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <107677a8f43521e33e4a653e50fdf55ba622a4ce || >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <dd3af22323e79a2ffabed366db20aab83716fe6f || >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <bcafcb959a57a6890e900199690c5fc47da1a304 | 107677a8f43521e33e4a653e50fdf55ba622a4ce, dd3af22323e79a2ffabed366db20aab83716fe6f, bcafcb959a57a6890e900199690c5fc47da1a304 |
| Linux/Linuxgeneric | 5.19 | Not reported |
Published upstream
Dec 24, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use work to update rate to avoid RCU warning The ieee80211_ops::sta_rc_update must be atomic, because ieee80211_chan_bw_change() holds rcu_read lock while calling drv_sta_rc_update(), so create a work to do original things. Voluntary context switch within RCU read-side critical section! WARNING: CPU: 0 PID: 4621 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x571/0x5d0 CPU: 0 PID: 4621 Comm: kworker/u16:2 Tainted: G W OE Workqueue: phy3 ieee80211_chswitch_work [mac80211] RIP: 0010:rcu_note_context_switch+0x571/0x5d0 Call Trace: <TASK> __schedule+0xb0/0x1460 ? __mod_timer+0x116/0x360 schedule+0x5a/0xc0 schedule_timeout+0x87/0x150 ? trace_raw_output_tick_stop+0x60/0x60 wait_for_completion_timeout+0x7b/0x140 usb_start_wait_urb+0x82/0x160 [usbcore usb_control_msg+0xe3/0x140 [usbcore rtw_usb_read+0x88/0xe0 [rtw_usb rtw_usb_read8+0xf/0x10 [rtw_usb rtw_fw_send_h2c_command+0xa0/0x170 [rtw_core rtw_fw_send_ra_info+0xc9/0xf0 [rtw_core drv_sta_rc_update+0x7c/0x160 [mac80211 ieee80211_chan_bw_change+0xfb/0x110 [mac80211 ieee80211_change_chanctx+0x38/0x130 [mac80211 ieee80211_vif_use_reserved_switch+0x34e/0x900 [mac80211 ieee80211_link_use_reserved_context+0x88/0xe0 [mac80211 ieee80211_chswitch_work+0x95/0x170 [mac80211 process_one_work+0x201/0x410 worker_thread+0x4a/0x3b0 ? process_one_work+0x410/0x410 kthread+0xe1/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK>
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-54071 records a High severity (CVSS 8.8) vulnerability in wifi: rtw88: use work to update rate to avoid RCU warning. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <107677a8f43521e33e4a653e50fdf55ba622a4ce || >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <dd3af22323e79a2ffabed366db20aab83716fe6f || >=c1edc86472fc3a5aa3b5c5c53c4e20f6a24992a6 <bcafcb959a57a6890e900199690c5fc47da1a304 | 107677a8f43521e33e4a653e50fdf55ba622a4ce, dd3af22323e79a2ffabed366db20aab83716fe6f, bcafcb959a57a6890e900199690c5fc47da1a304 |
| Linux/Linuxgeneric | 5.19 | Not reported |
Published upstream
Dec 24, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use work to update rate to avoid RCU warning The ieee80211_ops::sta_rc_update must be atomic, because ieee80211_chan_bw_change() holds rcu_read lock while calling drv_sta_rc_update(), so create a work to do original things. Voluntary context switch within RCU read-side critical section! WARNING: CPU: 0 PID: 4621 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x571/0x5d0 CPU: 0 PID: 4621 Comm: kworker/u16:2 Tainted: G W OE Workqueue: phy3 ieee80211_chswitch_work [mac80211] RIP: 0010:rcu_note_context_switch+0x571/0x5d0 Call Trace: <TASK> __schedule+0xb0/0x1460 ? __mod_timer+0x116/0x360 schedule+0x5a/0xc0 schedule_timeout+0x87/0x150 ? trace_raw_output_tick_stop+0x60/0x60 wait_for_completion_timeout+0x7b/0x140 usb_start_wait_urb+0x82/0x160 [usbcore usb_control_msg+0xe3/0x140 [usbcore rtw_usb_read+0x88/0xe0 [rtw_usb rtw_usb_read8+0xf/0x10 [rtw_usb rtw_fw_send_h2c_command+0xa0/0x170 [rtw_core rtw_fw_send_ra_info+0xc9/0xf0 [rtw_core drv_sta_rc_update+0x7c/0x160 [mac80211 ieee80211_chan_bw_change+0xfb/0x110 [mac80211 ieee80211_change_chanctx+0x38/0x130 [mac80211 ieee80211_vif_use_reserved_switch+0x34e/0x900 [mac80211 ieee80211_link_use_reserved_context+0x88/0xe0 [mac80211 ieee80211_chswitch_work+0x95/0x170 [mac80211 process_one_work+0x201/0x410 worker_thread+0x4a/0x3b0 ? process_one_work+0x410/0x410 kthread+0xe1/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK>
Quoted source text, attributed separately from HOL analysis.