CVE-2026-23021
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2026-01-31
Last updated on: 2026-03-25
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
net: usb: pegasus: fix memory leak in update_eth_regs_async()
When asynchronously writing to the device registers and if usb_submit_urb()
fail, the code fail to release allocated to this point resources.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 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 | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.6 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.121 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.66 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.161 (exc) |
| linux | linux_kernel | From 3.10.1 (inc) to 5.10.248 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
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 USB Pegasus driver. Specifically, when the function update_eth_regs_async() attempts to write asynchronously to device registers, if the usb_submit_urb() call fails, the code does not properly release the resources allocated up to that point, causing a memory leak.
How can this vulnerability impact me? :
The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing instability if the leaked memory accumulates significantly.
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