CVE-2022-50809
xhci: dbc: Fix memory leak in xhci_alloc_dbc()
Description
In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhci_alloc_dbc() If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.
INFO
Published Date :
Dec. 30, 2025, 1:15 p.m.
Last Modified :
Dec. 30, 2025, 1:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2022-50809
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to a patched version.
- Ensure DbC memory is freed before returning NULL.
- Review kernel memory management for leaks.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-50809.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50809 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-50809
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-50809 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50809 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhci_alloc_dbc() If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak. Added Reference https://git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e Added Reference https://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d Added Reference https://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a Added Reference https://git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902