In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()
rtw_core_enable_beacon() reads 4 bytes from an address that is not a multiple of 4. This results in a crash on some systems.
Do 1 byte reads/writes instead.
Unable to handle kernel paging request at virtual address ffff8000827e0522 Mem abort info: ESR = 0x0000000096000021 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x21: alignment fault Data abort info: ISV = 0, ISS = 0x00000021, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000005492000 [ffff8000827e0522] pgd=0000000000000000, p4d=10000001021d9403, pud=10000001021da403, pmd=100000011061c403, pte=00780000f3200f13 Internal error: Oops: 0000000096000021 [#1] SMP Modules linked in: [...] rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core [...] CPU: 0 UID: 0 PID: 73 Comm: kworker/u32:2 Tainted: G W 6.17.9 #1-NixOS VOLUNTARY Tainted: [W]=WARN Hardware name: FriendlyElec NanoPC-T6 LTS (DT) Workqueue: phy0 rtw_c2h_work [rtw88_core] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rtw_pci_read32+0x18/0x40 [rtw88_pci] lr : rtw_core_enable_beacon+0xe0/0x148 [rtw88_core] sp : ffff800080cc3ca0 x29: ffff800080cc3ca0 x28: ffff0001031fc240 x27: ffff000102100828 x26: ffffd2cb7c9b4088 x25: ffff0001031fc2c0 x24: ffff000112fdef00 x23: ffff000112fdef18 x22: ffff000111c29970 x21: 0000000000000001 x20: 0000000000000001 x19: ffff000111c22040 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : ffffd2cb6507c090 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000007f10 x1 : 0000000000000522 x0 : ffff8000827e0522 Call trace: rtw_pci_read32+0x18/0x40 [rtw88_pci] (P) rtw_hw_scan_chan_switch+0x124/0x1a8 [rtw88_core] rtw_fw_c2h_cmd_handle+0x254/0x290 [rtw88_core] rtw_c2h_work+0x50/0x98 [rtw88_core] process_one_work+0x178/0x3f8 worker_thread+0x208/0x418 kthread+0x120/0x220 ret_from_fork+0x10/0x20 Code: d28fe202 8b020000 f9524400 8b214000 (b9400000) ---[ end trace 0000000000000000 ]---
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Mar 25, 2026 | Feb 18, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Feb 18, 2026 |
| Ubuntu | — | Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-1060-ibmUpgrade linux-image-fips-6.8Upgrade linux-image-gcpUpgrade linux-image-6.8.0-1063-gcp-fipsUpgrade linux-image-azure-fips-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1062-azure-fipsUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1029-nvidia-tegra-rtUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-aws-fips-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1058-gkeUpgrade linux-image-awsUpgrade linux-image-azureUpgrade linux-image-nvidia-64kUpgrade linux-image-virtual-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-xilinxUpgrade linux-image-xilinx-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-6.8.1-1055-realtimeUpgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1060-awsUpgrade linux-image-ibm-classicUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-134-lowlatencyUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-kvmUpgrade linux-image-gke-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1045-gkeopUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1057-oracle-64kUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1058-nvidiaUpgrade linux-image-6.8.0-1058-nvidia-lowlatency-64kUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-22.04dUpgrade linux-image-aws-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-136-genericUpgrade linux-image-aws-64k-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-laptop-23.10Upgrade linux-image-aws-lts-24.04Upgrade linux-image-gcp-fipsUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1060-aws-fipsUpgrade linux-image-6.8.0-134-fipsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1032-xilinxUpgrade linux-image-oracleUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oem-20.04bUpgrade linux-image-lowlatencyUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-azure-fde-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-2049-raspi-realtimeUpgrade linux-image-6.8.0-134-lowlatency-64kUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-ibmUpgrade linux-image-gkeop-6.8Upgrade linux-image-genericUpgrade linux-image-fipsUpgrade linux-image-6.8.0-1060-aws-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-intel-iotgUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidiaUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1057-oracleUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1058-nvidia-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1063-gcpUpgrade linux-image-6.8.0-1060-raspiUpgrade linux-image-6.8.0-1058-gke-64kUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-virtualUpgrade linux-image-oem-20.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1029-nvidia-tegraUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-134-generic-64kUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-6.8.0-1058-nvidia-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-64kUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-134-genericUpgrade linux-image-6.8.0-1063-gcp-64k | Jul 2, 2026 | Jul 1, 2026 |
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