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In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: Prevent sending WMI commands to firmware during firmware crash
Currently, we encounter the following kernel call trace when a firmware crash occurs. This happens because the host sends WMI commands to the firmware while it is in recovery, causing the commands to fail and resulting in the kernel call trace.
Set the ATH12K_FLAG_CRASH_FLUSH and ATH12K_FLAG_RECOVERY flags when the host driver receives the firmware crash notification from MHI. This prevents sending WMI commands to the firmware during recovery.
Call Trace: <TASK> dump_stack_lvl+0x75/0xc0 register_lock_class+0x6be/0x7a0 ? __lock_acquire+0x644/0x19a0 __lock_acquire+0x95/0x19a0 lock_acquire+0x265/0x310 ? ath12k_ce_send+0xa2/0x210 [ath12k] ? find_held_lock+0x34/0xa0 ? ath12k_ce_send+0x56/0x210 [ath12k] _raw_spin_lock_bh+0x33/0x70 ? ath12k_ce_send+0xa2/0x210 [ath12k] ath12k_ce_send+0xa2/0x210 [ath12k] ath12k_htc_send+0x178/0x390 [ath12k] ath12k_wmi_cmd_send_nowait+0x76/0xa0 [ath12k] ath12k_wmi_cmd_send+0x62/0x190 [ath12k] ath12k_wmi_pdev_bss_chan_info_request+0x62/0xc0 [ath1 ath12k_mac_op_get_survey+0x2be/0x310 [ath12k] ieee80211_dump_survey+0x99/0x240 [mac80211] nl80211_dump_survey+0xe7/0x470 [cfg80211] ? kmalloc_reserve+0x59/0xf0 genl_dumpit+0x24/0x70 netlink_dump+0x177/0x360 __netlink_dump_start+0x206/0x280 genl_family_rcv_msg_dumpit.isra.22+0x8a/0xe0 ? genl_family_rcv_msg_attrs_parse.isra.23+0xe0/0xe0 ? genl_op_lock.part.12+0x10/0x10 ? genl_dumpit+0x70/0x70 genl_rcv_msg+0x1d0/0x290 ? nl80211_del_station+0x330/0x330 [cfg80211] ? genl_get_cmd_both+0x50/0x50 netlink_rcv_skb+0x4f/0x100 genl_rcv+0x1f/0x30 netlink_unicast+0x1b6/0x260 netlink_sendmsg+0x31a/0x450 __sock_sendmsg+0xa8/0xb0 ____sys_sendmsg+0x1e4/0x260 ___sys_sendmsg+0x89/0xe0 ? local_clock_noinstr+0xb/0xc0 ? rcu_is_watching+0xd/0x40 ? kfree+0x1de/0x370 ? __sys_sendmsg+0x7a/0xc0
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 14, 2025 | Jul 10, 2025 |
| Suse | — | Upgrade kernel-kvmsmall-vdsoUpgrade kernel-obs-buildUpgrade dtb-rockchipUpgrade dtb-nvidiaUpgrade kernel-default-vdsoUpgrade kernel-sourceUpgrade kernel-syms-azureUpgrade kselftests-kmp-defaultUpgrade dlm-kmp-rtUpgrade dtb-exynosUpgrade dtb-mediatekUpgrade kernel-devel-azureUpgrade dtb-armUpgrade kernel-rt-livepatchUpgrade kernel-azure-develUpgrade kernel-rt-livepatch-develUpgrade dtb-sprdUpgrade kselftests-kmp-rtUpgrade kernel-rt-develUpgrade kernel-64kb-extraUpgrade dtb-caviumUpgrade dtb-qcomUpgrade kernel-source-vanillaUpgrade cluster-md-kmp-64kbUpgrade kernel-docsUpgrade kernel-rt-optionalUpgrade kernel-defaultUpgrade kernel-rt-vdsoUpgrade dtb-amlogicUpgrade kernel-rt-extraUpgrade kernel-azureUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-rtUpgrade kernel-rtUpgrade kernel-symsUpgrade kernel-default-optionalUpgrade kernel-default-livepatchUpgrade kernel-default-extraUpgrade kernel-kvmsmall-develUpgrade dtb-amdUpgrade dtb-alteraUpgrade dlm-kmp-64kbUpgrade dtb-marvellUpgrade kernel-default-develUpgrade kernel-obs-qaUpgrade kernel-zfcpdumpUpgrade kernel-develUpgrade dtb-socionextUpgrade ocfs2-kmp-rtUpgrade kernel-default-livepatch-develUpgrade dtb-hisiliconUpgrade dtb-freescaleUpgrade dtb-broadcomUpgrade ocfs2-kmp-64kbUpgrade kernel-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-64kb-develUpgrade dtb-amazonUpgrade kernel-source-azureUpgrade dtb-allwinnerUpgrade dlm-kmp-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-kvmsmallUpgrade gfs2-kmp-rtUpgrade dtb-renesasUpgrade dtb-apmUpgrade dtb-appleUpgrade kernel-64kb-optionalUpgrade kernel-macrosUpgrade kernel-docs-htmlUpgrade gfs2-kmp-64kbUpgrade dtb-xilinxUpgrade reiserfs-kmp-defaultUpgrade dtb-lgUpgrade kernel-default-baseUpgrade cluster-md-kmp-default | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-generic-64kUpgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-oracle-6.14Upgrade linux-image-generic-64k-6.14Upgrade linux-image-6.14.0-1012-oemUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-6.14Upgrade linux-image-6.14.0-1012-azureUpgrade linux-image-aws-64kUpgrade linux-image-oem-24.04Upgrade linux-image-oracleUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.14.0-32-genericUpgrade linux-image-azure-6.14Upgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-genericUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-virtualUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-awsUpgrade linux-image-generic-6.14Upgrade linux-image-gcp-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-azureUpgrade linux-image-virtual-6.14Upgrade linux-image-raspi-6.14Upgrade linux-image-aws-6.14Upgrade linux-image-realtime-6.14Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-aws-64k-6.14Upgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-oracle-64kUpgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-gcpUpgrade linux-image-raspiUpgrade linux-image-gcp-6.14Upgrade linux-image-6.14.0-1013-awsUpgrade linux-image-oem-24.04cUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-realtime | Jul 14, 2025 | Jul 10, 2025 |
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