CVE-2026-80632 wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()
A NULL pointer dereference in the mt7996 Wi-Fi driver can cause a kernel crash, requiring specific NPU and WED configurations to trigger.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-80632?
CVE-2026-80632 is a vulnerability in Linux, published on 28 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()
When MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and mt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will dereference a NULL WED pointer. Fix the issue by always passing the WED pointer from mt7996_dma_init().
Which versions are affected by CVE-2026-80632?
How do I fix CVE-2026-80632?
Apply the vendor's patch.
Is CVE-2026-80632 being exploited?
There is no known exploitation of CVE-2026-80632 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-80632, GHSA-v3p2-58p3-3pfm, UBUNTU-CVE-2026-80632.