CVE-2026-80694
net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
CVSS Score
9.8
EPSS Score
0.2%
EPSS Percentile
6th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 28, 2026 |
| Last Updated | Aug 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 276f1f180f55d56cf5992a581e20ed2b3dfa6ced 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 7eb46318d53940dab63dea7130e720b67a656104 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < e095f249e2209674f6366f6db0383a2b96e19239
Linux / Linux
4.8
References
git.kernel.org: https://git.kernel.org/stable/c/3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8 git.kernel.org: https://git.kernel.org/stable/c/276f1f180f55d56cf5992a581e20ed2b3dfa6ced git.kernel.org: https://git.kernel.org/stable/c/7eb46318d53940dab63dea7130e720b67a656104 git.kernel.org: https://git.kernel.org/stable/c/e095f249e2209674f6366f6db0383a2b96e19239