CVE-2022-50809
Unknown
Unknown - Not Provided
Memory Leak in Linux Kernel xHCI DbC Component
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: kernel.org
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's xHCI driver related to the Debug Capability (DbC) feature. Specifically, if DbC is already in use, the allocated memory for the xhci_dbc structure is not freed properly before the function returns NULL, causing a memory leak.
How can this vulnerability impact me? :
The memory leak can lead to increased memory usage over time, potentially degrading system performance or causing resource exhaustion if the issue occurs repeatedly.
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