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  4. CVE 2026 80694 net ethernet mtkethsoc pass eth to mtkhandleirqrx
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Back to active CVEs
Critical · CVSS 9.8CVE-2026-80694

net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controllerCVE-2026-80694

Answer in brief

CVE-2026-80694 records a Critical severity (CVSS 9.8) vulnerability in net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 28, 2026Updated Aug 29, 2026Source checked Oct 12, 2026First seen by HOL Aug 28, 2026Material review Aug 29, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 <3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8 || >=8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 <276f1f180f55d56cf5992a581e20ed2b3dfa6ced || >=8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 <7eb46318d53940dab63dea7130e720b67a656104 || >=8186f6e382d8719d0a4bc0ef218c4dd7cf55b496 <e095f249e2209674f6366f6db0383a2b96e192393bd58ac9ca0c552651f533c1bd280dd19ae7d4e8, 276f1f180f55d56cf5992a581e20ed2b3dfa6ced, 7eb46318d53940dab63dea7130e720b67a656104, e095f249e2209674f6366f6db0383a2b96e19239
Linux/Linuxgeneric4.8Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 3bd58ac9ca0c552651f533c1bd280dd19ae7d4e8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 28, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 12, 2026
References
4 linked sources
Open source record