CVE-2023-53379
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-12
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 4.4.284 (inc) to 4.5 (exc) |
| linux | linux_kernel | From 4.9.283 (inc) to 4.10 (exc) |
| linux | linux_kernel | From 4.14.247 (inc) to 4.14.322 (exc) |
| linux | linux_kernel | From 4.19.207 (inc) to 4.19.291 (exc) |
| linux | linux_kernel | From 5.4.146 (inc) to 5.4.251 (exc) |
| linux | linux_kernel | From 5.10.65 (inc) to 5.10.188 (exc) |
| linux | linux_kernel | From 5.13.17 (inc) to 5.14 (exc) |
| linux | linux_kernel | From 5.14.4 (inc) to 5.15.121 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.39 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.4 (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 phy-tahvo driver, specifically in the tahvo_usb_probe() function. When an interrupt request (irq) is obtained and an error occurs (ret < 0), the function returns without properly freeing allocated memory, leading to a memory leak. The fix involves adding error handling to ensure memory is freed in such cases.
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 in systems using the affected usb phy-tahvo driver.
What immediate steps should I take to mitigate this vulnerability?
Apply the updated Linux kernel patch that fixes the memory leak in the tahvo_usb_probe() function by adding proper error handling after the irq acquisition fails. Until the patch is applied, avoid using affected USB PHY devices that rely on the phy-tahvo driver to prevent potential memory leaks.