CVE-2025-38293

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix node corruption in ar->arvifs list In current WLAN recovery code flow, ath11k_core_halt() only reinitializes the "arvifs" list head. This will cause the list node immediately following the list head to become an invalid list node. Because the prev of that node still points to the list head "arvifs", but the next of the list head "arvifs" no longer points to that list node. When a WLAN recovery occurs during the execution of a vif removal, and it happens before the spin_lock_bh(&ar->data_lock) in ath11k_mac_op_remove_interface(), list_del() will detect the previously mentioned situation, thereby triggering a kernel panic. The fix is to remove and reinitialize all vif list nodes from the list head "arvifs" during WLAN halt. The reinitialization is to make the list nodes valid, ensuring that the list_del() in ath11k_mac_op_remove_interface() can execute normally. Call trace: __list_del_entry_valid_or_report+0xb8/0xd0 ath11k_mac_op_remove_interface+0xb0/0x27c [ath11k] drv_remove_interface+0x48/0x194 [mac80211] ieee80211_do_stop+0x6e0/0x844 [mac80211] ieee80211_stop+0x44/0x17c [mac80211] __dev_close_many+0xac/0x150 __dev_change_flags+0x194/0x234 dev_change_flags+0x24/0x6c devinet_ioctl+0x3a0/0x670 inet_ioctl+0x200/0x248 sock_do_ioctl+0x60/0x118 sock_ioctl+0x274/0x35c __arm64_sys_ioctl+0xac/0xf0 invoke_syscall+0x48/0x114 ... Tested-on: QCA6698AQ hw2.1 PCI WLAN.HSP.1.1-04591-QCAHSPSWPL_V1_V2_SILICONZ_IOE-1

• https://git.kernel.org/stable/c/31e98e277ae47f56632e4d663b1d4fd12ba33ea8Patch
• https://git.kernel.org/stable/c/6c139015b597e570dd5962934e9f9a2f4cc8ef48Patch
• https://git.kernel.org/stable/c/6d6cb27fe146061f2512e904618f5e005bb7bb6aPatch
• https://git.kernel.org/stable/c/b0974ed82e6ad5ff246fd90a5b14f3e7be4f2924Patch
• https://git.kernel.org/stable/c/f50ba7e7b607f2d00618799312e7fdb76a1ff48ePatch
• https://git.kernel.org/stable/c/f5d77d0d41ea7a204d47288d0cf0404a52b5890ePatch
• https://git.kernel.org/stable/c/f9507cf2dd0e1ed5028c0e8240da6fe5fd3110d3Patch
• https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing List, Third Party Advisory

Published

Jul 10, 2025

Last Modified

Jul 30, 2026

Status

Modified

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