Vulnerability Description
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.
CVSS Score
CRITICAL
References
- https://git.kernel.org/stable/c/276f1f180f55d56cf5992a581e20ed2b3dfa6ced
- https://git.kernel.org/stable/c/3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8
- https://git.kernel.org/stable/c/7eb46318d53940dab63dea7130e720b67a656104
- https://git.kernel.org/stable/c/e095f249e2209674f6366f6db0383a2b96e19239
FAQ
What is CVE-2026-80694?
CVE-2026-80694 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 * (matchin...
How severe is CVE-2026-80694?
CVE-2026-80694 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-80694?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.