CVE-2026-80694 is a vulnerability in Linux Kernel
Published on August 28, 2026
net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
In the Linux kernel, the following vulnerability has been resolved:
net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
mtk_handle_irq_rx expects a struct mtk_eth * (matching the request_irq
cookie), but mtk_poll_controller incorrectly passed the net_device *.
Calling ndo_poll_controller with CONFIG_NET_POLL_CONTROLLER enabled
would then crash.
Products Associated with CVE-2026-80694
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Affected Versions
Linux:- Version 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 and below 3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8 is affected.
- Version 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 and below 276f1f180f55d56cf5992a581e20ed2b3dfa6ced is affected.
- Version 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 and below 7eb46318d53940dab63dea7130e720b67a656104 is affected.
- Version 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 and below e095f249e2209674f6366f6db0383a2b96e19239 is affected.
- Version 4.8 is affected.
- Before 4.8 is unaffected.
- Version 6.12.103, <= 6.12.* is unaffected.
- Version 6.18.44, <= 6.18.* is unaffected.
- Version 7.1.8, <= 7.1.* is unaffected.
- Version 7.2, <= * is unaffected.