CVE-2022-49949
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-06-18
Last updated on: 2025-11-14
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
firmware_loader: Fix memory leak in firmware upload
In the case of firmware-upload, an instance of struct fw_upload is
allocated in firmware_upload_register(). This data needs to be freed
in fw_dev_release(). Create a new fw_upload_free() function in
sysfs_upload.c to handle the firmware-upload specific memory frees
and incorporate the missing kfree call for the fw_upload structure.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (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
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's firmware upload process. Specifically, an allocated data structure (fw_upload) during firmware upload was not properly freed, leading to a memory leak. The fix involved creating a function to free this memory correctly.
How can this vulnerability impact me? :
The memory leak could cause increased memory usage over time during firmware uploads, potentially leading to reduced system performance or stability issues if the leak accumulates.
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