{"id":"CVE-2026-80694","title":"net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller\n\nmtk_handle_irq_rx expects a struct mtk_eth * (matching the request_irq\ncookie), but mtk_po…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < a9133c4d335e48ba92f4daed10c506378924f976","Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8","Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 276f1f180f55d56cf5992a581e20ed2b3dfa6ced","Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 7eb46318d53940dab63dea7130e720b67a656104","Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < e095f249e2209674f6366f6db0383a2b96e19239","Linux 4.8"],"published":"2026-08-28","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:46:55.044Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80694","references":[{"url":"https://git.kernel.org/stable/c/a9133c4d335e48ba92f4daed10c506378924f976"},{"url":"https://git.kernel.org/stable/c/3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8"},{"url":"https://git.kernel.org/stable/c/276f1f180f55d56cf5992a581e20ed2b3dfa6ced"},{"url":"https://git.kernel.org/stable/c/7eb46318d53940dab63dea7130e720b67a656104"},{"url":"https://git.kernel.org/stable/c/e095f249e2209674f6366f6db0383a2b96e19239"}],"tags":["cve.org"],"epss":0.00671,"epssPercentile":0.51176,"ingestedAt":"2026-10-21T12:48:53.750Z","slug":"CVE-2026-80694","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller\n\nmtk_handle_irq_rx expects a struct mtk_eth * (matching the request_irq\ncookie), but mtk_poll_controller incorrectly passed the net_device *.\nCalling ndo_poll_controller with CONFIG_NET_POLL_CONTROLLER enabled\nwould then crash.\n\n## Affected\n\n- `Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < a9133c4d335e48ba92f4daed10c506378924f976`\n- `Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8`\n- `Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 276f1f180f55d56cf5992a581e20ed2b3dfa6ced`\n- `Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < 7eb46318d53940dab63dea7130e720b67a656104`\n- `Linux >= 8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 < e095f249e2209674f6366f6db0383a2b96e19239`\n- `Linux 4.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}