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In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: fix peer HE MCS assignment
In ath11k_wmi_send_peer_assoc_cmd(), peer's transmit MCS is sent to firmware as receive MCS while peer's receive MCS sent as transmit MCS, which goes against firmwire's definition.
While connecting to a misbehaved AP that advertises 0xffff (meaning not supported) for 160 MHz transmit MCS map, firmware crashes due to 0xffff is assigned to he_mcs->rx_mcs_set field.
Ext Tag: HE Capabilities [...] Supported HE-MCS and NSS Set [...] Rx and Tx MCS Maps 160 MHz [...] Tx HE-MCS Map 160 MHz: 0xffff
Swap the assignment to fix this issue.
As the HE rate control mask is meant to limit our own transmit MCS, it needs to go via he_mcs->rx_mcs_set field. With the aforementioned swapping done, change is needed as well to apply it to the peer's receive MCS.
Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Feb 11, 2026 | Feb 11, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 24, 2026 | Dec 24, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidia-tegraUpgrade linux-image-oracle-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-110-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-ibmUpgrade linux-image-gcpUpgrade linux-image-ibm-classicUpgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-6.8.0-1051-nvidiaUpgrade linux-image-6.8.0-1052-aws-fipsUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1054-gcpUpgrade linux-image-oem-24.04bUpgrade linux-image-aws-64kUpgrade linux-image-6.17.0-19-genericUpgrade linux-image-oem-24.04cUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatencyUpgrade linux-image-azure-lts-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1022-nvidia-tegraUpgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-6.8.0-1051-nvidia-lowlatencyUpgrade linux-image-oem-22.04aUpgrade linux-image-kvmUpgrade linux-image-azure-fipsUpgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1054-gcp-64kUpgrade linux-image-6.8.0-110-lowlatency-64kUpgrade linux-image-raspi-6.17Upgrade linux-image-6.8.0-1059-azureUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-fips-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-genericUpgrade linux-image-oracleUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-intel-iotgUpgrade linux-image-oem-6.17Upgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-1054-azure-fipsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-virtualUpgrade linux-image-virtual-6.17Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.8.0-1050-gkeUpgrade linux-image-azure-6.17Upgrade linux-image-6.8.0-1051-nvidia-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.1-1047-realtimeUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1049-oracle-64kUpgrade linux-image-6.8.0-1054-gcp-fipsUpgrade linux-image-oem-22.04bUpgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-xilinxUpgrade linux-image-aws-64k-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.17.0-1017-oemUpgrade linux-image-oem-24.04aUpgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-oem-24.04dUpgrade linux-image-6.8.0-1049-oracleUpgrade linux-image-generic-6.17Upgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-azureUpgrade linux-image-6.17.0-1010-azureUpgrade linux-image-gkeopUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1051-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-110-generic-64kUpgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-gcp-6.17Upgrade linux-image-awsUpgrade linux-image-6.8.0-1054-azureUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-virtual-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-raspiUpgrade linux-image-oracle-6.8Upgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-6.8Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1052-raspiUpgrade linux-image-6.8.0-1052-awsUpgrade linux-image-6.8.0-1051-ibmUpgrade linux-image-realtime-6.17Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1022-nvidia-tegra-rtUpgrade linux-image-xilinx-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1052-aws-64kUpgrade linux-image-6.17.0-1009-awsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-aws-64k-6.17Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gcp-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-110-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-fipsUpgrade linux-image-aws-fipsUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oracle-6.17Upgrade linux-image-generic-64k-6.17Upgrade linux-image-gke-64kUpgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-2042-raspi-realtimeUpgrade linux-image-6.8.0-110-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1050-gke-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-6.17Upgrade linux-image-6.8.0-1037-gkeopUpgrade linux-image-oracle-64k-lts-24.04 | Mar 17, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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