CVE-2025-71154
BaseFortify
Publication date: 2026-01-23
Last updated on: 2026-02-26
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | 3.10 |
| linux | linux_kernel | From 5.11 (inc) to 5.15.198 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.4 (exc) |
| linux | linux_kernel | From 3.10.1 (inc) to 5.10.248 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.160 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.120 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.64 (exc) |
Helpful Resources
Exploitability
| 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 USB driver for the rtl8150 device. Specifically, when the function usb_submit_urb() fails during the asynchronous setting of registers, the allocated memory for the async_req structure and the USB Request Block (URB) is not freed. Normally, a completion callback frees this memory, but it only runs if usb_submit_urb() succeeds. Because the callback does not run on failure, the memory remains allocated, causing a leak. The fix involves freeing these allocations immediately when usb_submit_urb() fails.
How can this vulnerability impact me? :
This vulnerability can cause a memory leak in the Linux kernel when using the rtl8150 USB driver. Over time, repeated failures in usb_submit_urb() could lead to increased memory consumption, potentially degrading system performance or causing instability due to exhausted memory resources.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the Linux kernel to a version where the memory leak in the rtl8150 USB driver has been fixed. This fix ensures that allocated memory is properly freed when usb_submit_urb() fails, preventing memory leaks.