CVE-2023-53454
BaseFortify
Publication date: 2025-10-01
Last updated on: 2026-01-16
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 3.12 (inc) to 4.14.326 (exc) |
| linux | linux_kernel | From 4.15 (inc) to 4.19.295 (exc) |
| linux | linux_kernel | From 4.20 (inc) to 5.4.257 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.195 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.132 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.53 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.16 (exc) |
| linux | linux_kernel | From 6.5 (inc) to 6.5.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free issue in the Linux kernel's HID multitouch driver. It occurs because the input device (input_dev) name was allocated with a reference to the input_dev itself rather than the HID device. When the input_dev is unregistered, its name is freed, but a subsequent uevent still tries to use that freed name, leading to a use-after-free condition. The fix involves referencing the HID device for the allocation and using devm_kasprintf to manage memory and format the input_dev name safely.
How can this vulnerability impact me? :
This vulnerability can lead to use-after-free memory errors in the Linux kernel, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges if they can trigger the vulnerable code path.