In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: add wcid publish check in mt76_sta_add
Since mt7925_mac_sta_add publishes wcid, add publish check in mt76_sta_add to avoid reinitializing the wcid->poll_list.
Found dev->sta_poll_list corruption when using mt7925 and 7.1-rc4. According to the corruption information, prev->next was changed to itself.
wlan0: disconnect from AP 90:fb:5d:94:8b:e3 for new auth to 90:fb:5d:94:8b:e2 wlan0: authenticate with 90:fb:5d:94:8b:e2 (local address=84:9e:56:9c:7e:6b) wlan0: send auth to 90:fb:5d:94:8b:e2 (try 1/3) slab kmalloc-8k start ffff8c80958a6000 pointer offset 4160 size 8192 list_add corruption. prev->next should be next (ffff8c808a7488f8), but was ffff8c80958a7040. (prev=ffff8c80958a7040).
mt76_wcid_add_poll+0x95/0xd0 [mt76] mt7925_mac_add_txs.part.0+0xa5/0xe0 [mt7925_common] mt7925_rx_check+0xa7/0xc0 [mt7925_common] mt76_dma_rx_poll+0x50d/0x790 [mt76] mt792x_poll_rx+0x52/0xe0 [mt792x_lib]
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 22, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-generic-64kUpgrade linux-image-azure-lts-26.04Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-realtimeUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-oracleUpgrade linux-image-genericUpgrade linux-image-aws-64k-7.0Upgrade linux-image-gkeUpgrade linux-image-generic-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-virtual-7.0Upgrade linux-image-gke-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-aws-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-realtime-7.0Upgrade linux-image-oem-26.04aUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-gke-64k-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-virtualUpgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1012-awsUpgrade linux-image-nvidia-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-oem-26.04bUpgrade linux-image-oem-26.04Upgrade linux-image-nvidia-64kUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-ibmUpgrade linux-image-gke-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-azureUpgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-raspi-realtimeUpgrade linux-image-gcpUpgrade linux-image-oracle-64kUpgrade linux-image-realtime-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-generic-7.0Upgrade linux-image-awsUpgrade linux-image-oem-7.0Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-raspiUpgrade linux-image-oracle-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-oracle-64k-7.0 | Sep 14, 2026 | Sep 7, 2026 |
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