BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-02-26

Assigner: kernel.org

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.

CVSS Scores

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Meta Information

Published

2025-10-07

Last Modified

2026-02-26

Generated

2026-07-06

AI Q&A

2025-10-07

EPSS Evaluated

2026-07-05

NVD

CVE-2022-50544

Affected Vendors & Products

Vendor	Product	Version / Range
linux	kernel	*
linux	linux_kernel	From 6.0 (inc) to 6.0.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-401	The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Attack-Flow Graph

Executive Summary

This vulnerability is a potential memory leak in the Linux kernel's USB host controller driver (xhci). Specifically, the function xhci_alloc_stream_info() allocates memory for a stream context array but does not release this memory if an error occurs, leading to a memory leak. The fix involves releasing the allocated memory on the error path to prevent the leak.

Impact Analysis

The vulnerability can cause a memory leak in the Linux kernel, which may lead to increased memory usage and potentially degrade system performance or stability over time if the leak occurs repeatedly.

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