CVE-2025-71297

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> wifi: rtw88: 8822b: Avoid WARNING in rtw8822b_config_trx_mode()<br /> <br /> rtw8822b_set_antenna() can be called from userspace when the chip is<br /> powered off. In that case a WARNING is triggered in<br /> rtw8822b_config_trx_mode() because trying to read the RF registers<br /> when the chip is powered off returns an unexpected value.<br /> <br /> Call rtw8822b_config_trx_mode() in rtw8822b_set_antenna() only when<br /> the chip is powered on.<br /> <br /> ------------[ cut here ]------------<br /> write RF mode table fail<br /> WARNING: CPU: 0 PID: 7183 at rtw8822b.c:824 rtw8822b_config_trx_mode.constprop.0+0x835/0x840 [rtw88_8822b]<br /> CPU: 0 UID: 0 PID: 7183 Comm: iw Tainted: G W OE 6.17.5-arch1-1 #1 PREEMPT(full) 01c39fc421df2af799dd5e9180b572af860b40c1<br /> Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE<br /> Hardware name: LENOVO 82KR/LNVNB161216, BIOS HBCN18WW 08/27/2021<br /> RIP: 0010:rtw8822b_config_trx_mode.constprop.0+0x835/0x840 [rtw88_8822b]<br /> Call Trace:<br /> <br /> rtw8822b_set_antenna+0x57/0x70 [rtw88_8822b 370206f42e5890d8d5f48eb358b759efa37c422b]<br /> rtw_ops_set_antenna+0x50/0x80 [rtw88_core 711c8fb4f686162be4625b1d0b8e8c6a5ac850fb]<br /> ieee80211_set_antenna+0x60/0x100 [mac80211 f1845d85d2ecacf3b71867635a050ece90486cf3]<br /> nl80211_set_wiphy+0x384/0xe00 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]<br /> ? netdev_run_todo+0x63/0x550<br /> genl_family_rcv_msg_doit+0xfc/0x160<br /> genl_rcv_msg+0x1aa/0x2b0<br /> ? __pfx_nl80211_pre_doit+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]<br /> ? __pfx_nl80211_set_wiphy+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]<br /> ? __pfx_nl80211_post_doit+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]<br /> ? __pfx_genl_rcv_msg+0x10/0x10<br /> netlink_rcv_skb+0x59/0x110<br /> genl_rcv+0x28/0x40<br /> netlink_unicast+0x285/0x3c0<br /> ? __alloc_skb+0xdb/0x1a0<br /> netlink_sendmsg+0x20d/0x430<br /> ____sys_sendmsg+0x39f/0x3d0<br /> ? import_iovec+0x2f/0x40<br /> ___sys_sendmsg+0x99/0xe0<br /> ? refill_obj_stock+0x12e/0x240<br /> __sys_sendmsg+0x8a/0xf0<br /> do_syscall_64+0x81/0x970<br /> ? do_syscall_64+0x81/0x970<br /> ? ksys_read+0x73/0xf0<br /> ? do_syscall_64+0x81/0x970<br /> ? count_memcg_events+0xc2/0x190<br /> ? handle_mm_fault+0x1d7/0x2d0<br /> ? do_user_addr_fault+0x21a/0x690<br /> ? exc_page_fault+0x7e/0x1a0<br /> entry_SYSCALL_64_after_hwframe+0x76/0x7e<br /> <br /> ---[ end trace 0000000000000000 ]---